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Design of Experiment – Spring 2014
Project
[1]
Submitted By
Harshavardhan D. Gorakh
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[2]
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Table 1
FactorsLevel Factor 1 Factor 2 Factor 3
Apatite
(a) pH (b) Pb (c)abc 60 (+) 7 (+) 2.41 (+)ab 60 (+) 7 (+) 0.483 (-)ac 60 (+) 4 (-) 2.41 (+)a 60 (+) 4 (-) 0.483 (-)
bc 30 (-) 7 (+) 2.41 (+)b 30 (-) 7 (+) 0.483 (-)c 30 (-) 4 (-) 2.41 (+)
(1) 30 (-) 4 (-) 0.483 (-)
Table 2
FishBone FishBone Hydroxyapatite HydroxyapatitePb milli Mole pH Pb milli Mole pH
Replicate I
Replicate II
Replicate I
Replicate II
Replicate I
Replicate II
Replicate I
Replicate II
1.82 1.81 5.22 5.12 0.11 0.12 3.49 3.460.01 0 6.84 6.61 0 0 5.84 5.91.11 1.04 3.35 3.34 0.8 0.76 2.7 2.74
0 0.01 5.77 6.25 0.03 0.05 3.36 3.242.11 2.18 5.29 5.06 1.03 1.05 3.22 3.220.03 0.05 5.93 6.02 0 0 5.53 5.431.7 1.69 3.39 3.34 1.34 1.26 2.82 2.79
0.05 0.05 4.5 4.74 0.06 0.07 3.28 3.28
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FISHBONE PbGeneral Linear Model: Fishbone Pb mM versus Apetite, pH, Pb
Factor Type Levels ValuesApetite fixed 2 -1, 1pH fixed 2 -1, 1Pb fixed 2 -1, 1
Analysis of Variance for Fishbone Pb mM, using Adjusted SS for Tests
Source DF Seq SS Adj SS Adj MS F PApetite 1 0.2652 0.2652 0.2652 400.34 0.000pH 1 0.3481 0.3481 0.3481 525.43 0.000Pb 1 10.9892 10.9892 10.9892 16587.51 0.000Apetite*pH 1 0.0225 0.0225 0.0225 33.96 0.000Apetite*Pb 1 0.1892 0.1892 0.1892 285.62 0.000pH*Pb 1 0.3600 0.3600 0.3600 543.40 0.000Apetite*pH*Pb 1 0.0196 0.0196 0.0196 29.58 0.001Error 8 0.0053 0.0053 0.0007Total 15 12.1992
S = 0.0257391 R-Sq = 99.96% R-Sq(adj) = 99.92%
General Linear Model: Fishbone Pb mM versus Apetite, pH, Pb
Factor Type Levels ValuesApetite fixed 2 -1, 1pH fixed 2 -1, 1Pb fixed 2 -1, 1
Analysis of Variance for Fishbone Pb mM, using Adjusted SS for Tests
Source DF Seq SS Adj SS Adj MS F PApetite 1 0.2652 0.2652 0.2652 95.86 0.000pH 1 0.3481 0.3481 0.3481 125.82 0.000Pb 1 10.9892 10.9892 10.9892 3972.01 0.000Apetite*pH 1 0.0225 0.0225 0.0225 8.13 0.019Apetite*Pb 1 0.1892 0.1892 0.1892 68.39 0.000pH*Pb 1 0.3600 0.3600 0.3600 130.12 0.000Error 9 0.0249 0.0249 0.0028Total 15 12.1992
S = 0.0525991 R-Sq = 99.80% R-Sq(adj) = 99.66%
General Linear Model: Fishbone Pb mM versus Apetite, pH, Pb
Factor Type Levels ValuesApetite fixed 2 -1, 1pH fixed 2 -1, 1Pb fixed 2 -1, 1
Analysis of Variance for Fishbone Pb mM, using Adjusted SS for Tests
Source DF Seq SS Adj SS Adj MS F PApetite 1 0.2652 0.2652 0.2652 55.95 0.000pH 1 0.3481 0.3481 0.3481 73.44 0.000Pb 1 10.9892 10.9892 10.9892 2318.40 0.000Apetite*Pb 1 0.1892 0.1892 0.1892 39.92 0.000pH*Pb 1 0.3600 0.3600 0.3600 75.95 0.000Error 10 0.0474 0.0474 0.0047Total 15 12.1992
S = 0.0688477 R-Sq = 99.61% R-Sq(adj) = 99.42%
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Figure 1
Figure 2
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Figure 3
Figure 4
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General Linear Model: Fishbone Pb mM versus Apetite, pH, Pb
Factor Type Levels ValuesApetite fixed 2 -1, 1pH fixed 2 -1, 1Pb fixed 2 -1, 1
Final ANOVA tableAnalysis of Variance for Fishbone Pb mM, using Adjusted SS for Tests
Source DF Seq SS Adj SS Adj MS F PApetite 1 0.2652 0.2652 0.2652 55.95 0.000pH 1 0.3481 0.3481 0.3481 73.44 0.000Pb 1 10.9892 10.9892 10.9892 2318.40 0.000Apetite*Pb 1 0.1892 0.1892 0.1892 39.92 0.000pH*Pb 1 0.3600 0.3600 0.3600 75.95 0.000Error 10 0.0474 0.0474 0.0047Total 15 12.1992
S = 0.0688477 R-Sq = 99.61% R-Sq(adj) = 99.42%
Grouping Information Using Tukey Method and 95.0% Confidence
Apetite N Mean Grouping-1 8 1.0 A 1 8 0.7 B
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Fishbone Pb mMAll Pairwise Comparisons among Levels of ApetiteApetite = -1 subtracted from:
Apetite Lower Center Upper ---+---------+---------+---------+--- 1 -0.3342 -0.2575 -0.1808 (------*-------) ---+---------+---------+---------+--- -0.30 -0.20 -0.10 -0.00
Tukey Simultaneous TestsResponse Variable Fishbone Pb mMAll Pairwise Comparisons among Levels of ApetiteApetite = -1 subtracted from:
Difference SE of AdjustedApetite of Means Difference T-Value P-Value 1 -0.2575 0.03442 -7.480 0.0000
Grouping Information Using Tukey Method and 95.0% Confidence
pH N Mean Grouping 1 8 1.0 A-1 8 0.7 B
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Fishbone Pb mMAll Pairwise Comparisons among Levels of pHpH = -1 subtracted from:
pH Lower Center Upper ------+---------+---------+---------+ 1 0.2183 0.2950 0.3717 (--------------*--------------)
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------+---------+---------+---------+ 0.250 0.300 0.350 0.400Tukey Simultaneous TestsResponse Variable Fishbone Pb mMAll Pairwise Comparisons among Levels of pHpH = -1 subtracted from:
Difference SE of AdjustedpH of Means Difference T-Value P-Value 1 0.2950 0.03442 8.570 0.0000
Grouping Information Using Tukey Method and 95.0% Confidence
Pb N Mean Grouping 1 8 1.7 A-1 8 0.0 B
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Fishbone Pb mMAll Pairwise Comparisons among Levels of PbPb = -1 subtracted from:
Pb Lower Center Upper ----+---------+---------+---------+-- 1 1.581 1.658 1.734 (---------------*--------------) ----+---------+---------+---------+-- 1.600 1.650 1.700 1.750
Tukey Simultaneous TestsResponse Variable Fishbone Pb mMAll Pairwise Comparisons among Levels of PbPb = -1 subtracted from:
Difference SE of AdjustedPb of Means Difference T-Value P-Value 1 1.658 0.03442 48.15 0.0000
Grouping Information Using Tukey Method and 95.0% Confidence
Apetite Pb N Mean Grouping-1 1 4 1.9 A 1 1 4 1.4 B-1 -1 4 0.0 C 1 -1 4 0.0 C
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Fishbone Pb mMAll Pairwise Comparisons among Levels of Apetite*PbApetite = -1Pb = -1 subtracted from:
Apetite Pb Lower Center Upper -------+---------+---------+----------1 1 1.7259 1.87500 2.0241 (-*) 1 -1 -0.1891 -0.04000 0.1091 (-*) 1 1 1.2509 1.40000 1.5491 (-*) -------+---------+---------+--------- -1.2 0.0 1.2
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Apetite = -1Pb = 1 subtracted from:
Apetite Pb Lower Center Upper -------+---------+---------+--------- 1 -1 -2.064 -1.915 -1.766 (*) 1 1 -0.624 -0.475 -0.326 (*) -------+---------+---------+--------- -1.2 0.0 1.2
Apetite = 1Pb = -1 subtracted from:
Apetite Pb Lower Center Upper -------+---------+---------+--------- 1 1 1.291 1.440 1.589 (*) -------+---------+---------+--------- -1.2 0.0 1.2
Tukey Simultaneous TestsResponse Variable Fishbone Pb mMAll Pairwise Comparisons among Levels of Apetite*PbApetite = -1Pb = -1 subtracted from:
Difference SE of AdjustedApetite Pb of Means Difference T-Value P-Value-1 1 1.87500 0.04868 38.5148 0.0000 1 -1 -0.04000 0.04868 -0.8216 0.8430 1 1 1.40000 0.04868 28.7577 0.0000
Apetite = -1Pb = 1 subtracted from:
Difference SE of AdjustedApetite Pb of Means Difference T-Value P-Value 1 -1 -1.915 0.04868 -39.34 0.0000 1 1 -0.475 0.04868 -9.76 0.0000
Apetite = 1Pb = -1 subtracted from:
Difference SE of AdjustedApetite Pb of Means Difference T-Value P-Value 1 1 1.440 0.04868 29.58 0.0000
Grouping Information Using Tukey Method and 95.0% Confidence
pH Pb N Mean Grouping 1 1 4 2.0 A-1 1 4 1.4 B-1 -1 4 0.0 C 1 -1 4 0.0 C
Means that do not share a letter are significantly different.Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Fishbone Pb mMAll Pairwise Comparisons among Levels of pH*PbpH = -1Pb = -1 subtracted from:
pH Pb Lower Center Upper -----+---------+---------+---------+--1 1 1.2084 1.35750 1.5066 (-*) 1 -1 -0.1541 -0.00500 0.1441 (-*) 1 1 1.8034 1.95250 2.1016 (-*)
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-----+---------+---------+---------+- -1.0 0.0 1.0 2.0
pH = -1Pb = 1 subtracted from:
pH Pb Lower Center Upper -----+---------+---------+---------+- 1 -1 -1.512 -1.363 -1.213 (*-) 1 1 0.446 0.595 0.744 (-*) -----+---------+---------+---------+- -1.0 0.0 1.0 2.0
pH = 1Pb = -1 subtracted from:
pH Pb Lower Center Upper -----+---------+---------+---------+- 1 1 1.808 1.958 2.107 (-*) -----+---------+---------+---------+- -1.0 0.0 1.0 2.0
Tukey Simultaneous TestsResponse Variable Fishbone Pb mMAll Pairwise Comparisons among Levels of pH*PbpH = -1Pb = -1 subtracted from:
Difference SE of AdjustedpH Pb of Means Difference T-Value P-Value-1 1 1.35750 0.04868 27.8847 0.0000 1 -1 -0.00500 0.04868 -0.1027 0.9996 1 1 1.95250 0.04868 40.1067 0.0000
pH = -1Pb = 1 subtracted from:
Difference SE of AdjustedpH Pb of Means Difference T-Value P-Value 1 -1 -1.363 0.04868 -27.99 0.0000 1 1 0.595 0.04868 12.22 0.0000
pH = 1Pb = -1 subtracted from:
Difference SE of AdjustedpH Pb of Means Difference T-Value P-Value 1 1 1.958 0.04868 40.21 0.0000
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Figure 5
Figure 6
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Figure 7
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FISHBONE pHGeneral Linear Model: Fishbone pH versus Apetite, pH, Pb
Factor Type Levels ValuesApetite fixed 2 -1, 1pH fixed 2 -1, 1Pb fixed 2 -1, 1
Analysis of Variance for Fishbone pH, using Adjusted SS for Tests
Source DF Seq SS Adj SS Adj MS F PApetite 1 1.1183 1.1183 1.1183 43.17 0.000pH 1 8.1368 8.1368 8.1368 314.08 0.000Pb 1 9.8439 9.8439 9.8439 379.98 0.000Apetite*pH 1 0.0977 0.0977 0.0977 3.77 0.088Apetite*Pb 1 1.1718 1.1718 1.1718 45.23 0.000pH*Pb 1 0.6123 0.6123 0.6123 23.64 0.001Apetite*pH*Pb 1 0.1073 0.1073 0.1073 4.14 0.076Error 8 0.2073 0.2073 0.0259Total 15 21.2952
S = 0.160954 R-Sq = 99.03% R-Sq(adj) = 98.18%
Figure 8
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Figure 9
General Linear Model: Fishbone pH versus Apetite, pH, Pb
Factor Type Levels ValuesApetite fixed 2 -1, 1pH fixed 2 -1, 1Pb fixed 2 -1, 1
Final ANOVA tableAnalysis of Variance for Fishbone pH, using Adjusted SS for Tests
Source DF Seq SS Adj SS Adj MS F PApetite 1 1.1183 1.1183 1.1183 27.13 0.000pH 1 8.1368 8.1368 8.1368 197.42 0.000Pb 1 9.8439 9.8439 9.8439 238.84 0.000Apetite*Pb 1 1.1718 1.1718 1.1718 28.43 0.000pH*Pb 1 0.6123 0.6123 0.6123 14.86 0.003Error 10 0.4122 0.4122 0.0412Total 15 21.2952
S = 0.203018 R-Sq = 98.06% R-Sq(adj) = 97.10%
Unusual Observations for Fishbone pH
Obs Fishbone pH Fit SE Fit Residual St Resid 8 6.25000 5.85000 0.12432 0.40000 2.49 R
R denotes an observation with a large standardized residual.
Grouping Information Using Tukey Method and 95.0% Confidence
Apetite N Mean Grouping 1 8 5.3 A-1 8 4.8 B
Means that do not share a letter are significantly different.
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Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Fishbone pHAll Pairwise Comparisons among Levels of ApetiteApetite = -1 subtracted from:
Apetite Lower Center Upper +---------+---------+---------+------ 1 0.3026 0.5287 0.7549 (--------------*--------------) +---------+---------+---------+------ 0.30 0.45 0.60 0.75
Tukey Simultaneous TestsResponse Variable Fishbone pHAll Pairwise Comparisons among Levels of ApetiteApetite = -1 subtracted from:
Difference SE of AdjustedApetite of Means Difference T-Value P-Value 1 0.5287 0.1015 5.209 0.0004
Grouping Information Using Tukey Method and 95.0% Confidence
pH N Mean Grouping 1 8 5.8 A-1 8 4.3 B
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Fishbone pHAll Pairwise Comparisons among Levels of pHpH = -1 subtracted from:
pH Lower Center Upper +---------+---------+---------+------ 1 1.200 1.426 1.652 (--------------*--------------) +---------+---------+---------+------ 1.20 1.35 1.50 1.65
Tukey Simultaneous TestsResponse Variable Fishbone pHAll Pairwise Comparisons among Levels of pHpH = -1 subtracted from:
Difference SE of AdjustedpH of Means Difference T-Value P-Value 1 1.426 0.1015 14.05 0.0000
Grouping Information Using Tukey Method and 95.0% Confidence
Pb N Mean Grouping-1 8 5.8 A 1 8 4.3 B
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Fishbone pHAll Pairwise Comparisons among Levels of PbPb = -1 subtracted from:
Pb Lower Center Upper ------+---------+---------+---------+ 1 -1.795 -1.569 -1.343 (----*---) ------+---------+---------+---------+ -1.50 -1.00 -0.50 0.00
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Tukey Simultaneous TestsResponse Variable Fishbone pHAll Pairwise Comparisons among Levels of PbPb = -1 subtracted from:
Difference SE of AdjustedPb of Means Difference T-Value P-Value 1 -1.569 0.1015 -15.45 0.0000
Grouping Information Using Tukey Method and 95.0% Confidence
Apetite Pb N Mean Grouping 1 -1 4 6.4 A-1 -1 4 5.3 B-1 1 4 4.3 C 1 1 4 4.3 C
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Fishbone pHAll Pairwise Comparisons among Levels of Apetite*PbApetite = -1Pb = -1 subtracted from:
Apetite Pb Lower Center Upper -------+---------+---------+----------1 1 -1.467 -1.028 -0.5880 (--*--) 1 -1 0.630 1.070 1.5095 (--*--) 1 1 -1.480 -1.040 -0.6005 (--*--) -------+---------+---------+--------- -1.5 0.0 1.5
Apetite = -1Pb = 1 subtracted from:
Apetite Pb Lower Center Upper -------+---------+---------+--------- 1 -1 1.6580 2.09750 2.5370 (--*--) 1 1 -0.4520 -0.01250 0.4270 (--*--) -------+---------+---------+--------- -1.5 0.0 1.5
Apetite = 1Pb = -1 subtracted from:
Apetite Pb Lower Center Upper -------+---------+---------+--------- 1 1 -2.550 -2.110 -1.670 (--*--) -------+---------+---------+--------- -1.5 0.0 1.5
Tukey Simultaneous TestsResponse Variable Fishbone pHAll Pairwise Comparisons among Levels of Apetite*PbApetite = -1Pb = -1 subtracted from:
Difference SE of AdjustedApetite Pb of Means Difference T-Value P-Value-1 1 -1.028 0.1436 -7.158 0.0002 1 -1 1.070 0.1436 7.454 0.0001 1 1 -1.040 0.1436 -7.245 0.0001
Apetite = -1
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Pb = 1 subtracted from:
Difference SE of AdjustedApetite Pb of Means Difference T-Value P-Value 1 -1 2.09750 0.1436 14.6111 0.0000 1 1 -0.01250 0.1436 -0.0871 0.9997
Apetite = 1Pb = -1 subtracted from:
Difference SE of AdjustedApetite Pb of Means Difference T-Value P-Value 1 1 -2.110 0.1436 -14.70 0.0000
Grouping Information Using Tukey Method and 95.0% Confidence
pH Pb N Mean Grouping 1 -1 4 6.3 A-1 -1 4 5.3 B 1 1 4 5.2 B-1 1 4 3.4 C
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Fishbone pHAll Pairwise Comparisons among Levels of pH*PbpH = -1Pb = -1 subtracted from:
pH Pb Lower Center Upper -----+---------+---------+---------+--1 1 -2.400 -1.960 -1.520 (--*-) 1 -1 0.595 1.035 1.475 (-*--) 1 1 -0.582 -0.143 0.297 (--*--) -----+---------+---------+---------+- -1.6 0.0 1.6 3.2
pH = -1Pb = 1 subtracted from:
pH Pb Lower Center Upper -----+---------+---------+---------+- 1 -1 2.555 2.995 3.435 (--*-) 1 1 1.378 1.817 2.257 (-*--) -----+---------+---------+---------+- -1.6 0.0 1.6 3.2
pH = 1Pb = -1 subtracted from:
pH Pb Lower Center Upper -----+---------+---------+---------+- 1 1 -1.617 -1.178 -0.7380 (--*-) -----+---------+---------+---------+- -1.6 0.0 1.6 3.2
Tukey Simultaneous TestsResponse Variable Fishbone pHAll Pairwise Comparisons among Levels of pH*PbpH = -1Pb = -1 subtracted from:
Difference SE of AdjustedpH Pb of Means Difference T-Value P-Value-1 1 -1.960 0.1436 -13.65 0.0000 1 -1 1.035 0.1436 7.21 0.0001
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1 1 -0.143 0.1436 -0.99 0.7569
pH = -1Pb = 1 subtracted from:
Difference SE of AdjustedpH Pb of Means Difference T-Value P-Value 1 -1 2.995 0.1436 20.86 0.0000 1 1 1.817 0.1436 12.66 0.0000
pH = 1Pb = -1 subtracted from:
Difference SE of AdjustedpH Pb of Means Difference T-Value P-Value 1 1 -1.178 0.1436 -8.202 0.0001
Figure 10
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Figure 11
Figure 12
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Hydroxyapatite PbGeneral Linear Model: Hydroxyapatite Pb mM versus Apetite, pH, Pb
Factor Type Levels ValuesApetite fixed 2 -1, 1pH fixed 2 -1, 1Pb fixed 2 -1, 1
Analysis of Variance for Hydroxyapatite Pb mM, using Adjusted SS for Tests
Source DF Seq SS Adj SS Adj MS F PApetite 1 0.54023 0.54022 0.54022 960.40 0.000pH 1 0.26523 0.26522 0.26522 471.51 0.000Pb 1 2.44923 2.44923 2.44923 4354.18 0.000Apetite*pH 1 0.03610 0.03610 0.03610 64.18 0.000Apetite*Pb 1 0.50410 0.50410 0.50410 896.18 0.000pH*Pb 1 0.16810 0.16810 0.16810 298.84 0.000Apetite*pH*Pb 1 0.04623 0.04623 0.04623 82.18 0.000Error 8 0.00450 0.00450 0.00056Total 15 4.01370
S = 0.0237171 R-Sq = 99.89% R-Sq(adj) = 99.79%
Figure 13
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Figure 14
General Linear Model: Hydroxyapatite Pb mM versus Apetite, pH, Pb
Factor Type Levels ValuesApetite fixed 2 -1, 1pH fixed 2 -1, 1Pb fixed 2 -1, 1
Final ANOVA tableAnalysis of Variance for Hydroxyapatite Pb mM, using Adjusted SS for Tests
Source DF Seq SS Adj SS Adj MS F PApetite 1 0.54023 0.54022 0.54022 62.22 0.000pH 1 0.26523 0.26522 0.26522 30.55 0.000Pb 1 2.44923 2.44923 2.44923 282.09 0.000Apetite*Pb 1 0.50410 0.50410 0.50410 58.06 0.000pH*Pb 1 0.16810 0.16810 0.16810 19.36 0.001Error 10 0.08683 0.08683 0.00868Total 15 4.01370
S = 0.0931799 R-Sq = 97.84% R-Sq(adj) = 96.76%
Grouping Information Using Tukey Method and 95.0% Confidence
Apetite N Mean Grouping-1 8 0.6 A 1 8 0.2 B
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Hydroxyapatite Pb mMAll Pairwise Comparisons among Levels of ApetiteApetite = -1 subtracted from:
Apetite Lower Center Upper -+---------+---------+---------+----- 1 -0.4713 -0.3675 -0.2637 (------*-----) -+---------+---------+---------+----- -0.45 -0.30 -0.15 0.00
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Tukey Simultaneous TestsResponse Variable Hydroxyapatite Pb mMAll Pairwise Comparisons among Levels of ApetiteApetite = -1 subtracted from:
Difference SE of AdjustedApetite of Means Difference T-Value P-Value 1 -0.3675 0.04659 -7.888 0.0000
Grouping Information Using Tukey Method and 95.0% Confidence
pH N Mean Grouping-1 8 0.5 A 1 8 0.3 B
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Hydroxyapatite Pb mMAll Pairwise Comparisons among Levels of pHpH = -1 subtracted from:
pH Lower Center Upper ------+---------+---------+---------+ 1 -0.3613 -0.2575 -0.1537 (---------*----------) ------+---------+---------+---------+ -0.30 -0.20 -0.10 -0.00
Tukey Simultaneous TestsResponse Variable Hydroxyapatite Pb mMAll Pairwise Comparisons among Levels of pHpH = -1 subtracted from:
Difference SE of AdjustedpH of Means Difference T-Value P-Value 1 -0.2575 0.04659 -5.527 0.0003
Grouping Information Using Tukey Method and 95.0% Confidence
Pb N Mean Grouping 1 8 0.8 A-1 8 0.0 B
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Hydroxyapatite Pb mMAll Pairwise Comparisons among Levels of PbPb = -1 subtracted from:
Pb Lower Center Upper -------+---------+---------+--------- 1 0.6787 0.7825 0.8863 (----------------*-----------------) -------+---------+---------+--------- 0.720 0.780 0.840
Tukey Simultaneous TestsResponse Variable Hydroxyapatite Pb mMAll Pairwise Comparisons among Levels of PbPb = -1 subtracted from:
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Difference SE of AdjustedPb of Means Difference T-Value P-Value 1 0.7825 0.04659 16.80 0.0000
Grouping Information Using Tukey Method and 95.0% Confidence
Apetite Pb N Mean Grouping-1 1 4 1.2 A 1 1 4 0.4 B-1 -1 4 0.0 C 1 -1 4 0.0 C
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Hydroxyapatite Pb mMAll Pairwise Comparisons among Levels of Apetite*PbApetite = -1Pb = -1 subtracted from:
Apetite Pb Lower Center Upper -------+---------+---------+----------1 1 0.9358 1.13750 1.3392 (-*--) 1 -1 -0.2142 -0.01250 0.1892 (--*-) 1 1 0.2133 0.41500 0.6167 (-*--) -------+---------+---------+--------- -0.80 0.00 0.80
Apetite = -1Pb = 1 subtracted from:
Apetite Pb Lower Center Upper -------+---------+---------+--------- 1 -1 -1.352 -1.150 -0.9483 (--*-) 1 1 -0.924 -0.723 -0.5208 (--*-) -------+---------+---------+--------- -0.80 0.00 0.80
Apetite = 1Pb = -1 subtracted from:
Apetite Pb Lower Center Upper -------+---------+---------+--------- 1 1 0.2258 0.4275 0.6292 (-*--) -------+---------+---------+--------- -0.80 0.00 0.80
Tukey Simultaneous TestsResponse Variable Hydroxyapatite Pb mMAll Pairwise Comparisons among Levels of Apetite*PbApetite = -1Pb = -1 subtracted from:
Difference SE of AdjustedApetite Pb of Means Difference T-Value P-Value-1 1 1.13750 0.06589 17.2641 0.0000 1 -1 -0.01250 0.06589 -0.1897 0.9974 1 1 0.41500 0.06589 6.2986 0.0004
Apetite = -1Pb = 1 subtracted from:
Difference SE of AdjustedApetite Pb of Means Difference T-Value P-Value 1 -1 -1.150 0.06589 -17.45 0.0000 1 1 -0.723 0.06589 -10.97 0.0000
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Apetite = 1Pb = -1 subtracted from:
Difference SE of AdjustedApetite Pb of Means Difference T-Value P-Value 1 1 0.4275 0.06589 6.488 0.0003
Grouping Information Using Tukey Method and 95.0% Confidence
pH Pb N Mean Grouping-1 1 4 1.0 A 1 1 4 0.6 B-1 -1 4 0.1 C 1 -1 4 -0.0 C
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Hydroxyapatite Pb mMAll Pairwise Comparisons among Levels of pH*PbpH = -1Pb = -1 subtracted from:
pH Pb Lower Center Upper --------+---------+---------+---------1 1 0.7858 0.98750 1.1892 (--*--) 1 -1 -0.2542 -0.05250 0.1492 (--*--) 1 1 0.3233 0.52500 0.7267 (--*-) --------+---------+---------+-------- -0.70 0.00 0.70
pH = -1Pb = 1 subtracted from:
pH Pb Lower Center Upper --------+---------+---------+-------- 1 -1 -1.242 -1.040 -0.8383 (--*--) 1 1 -0.664 -0.463 -0.2608 (-*--) --------+---------+---------+-------- -0.70 0.00 0.70pH = 1Pb = -1 subtracted from:
pH Pb Lower Center Upper --------+---------+---------+-------- 1 1 0.3758 0.5775 0.7792 (--*--) --------+---------+---------+-------- -0.70 0.00 0.70Tukey Simultaneous TestsResponse Variable Hydroxyapatite Pb mMAll Pairwise Comparisons among Levels of pH*PbpH = -1Pb = -1 subtracted from:
Difference SE of AdjustedpH Pb of Means Difference T-Value P-Value-1 1 0.98750 0.06589 14.9875 0.0000 1 -1 -0.05250 0.06589 -0.7968 0.8544 1 1 0.52500 0.06589 7.9680 0.0001pH = -1Pb = 1 subtracted from: Difference SE of AdjustedpH Pb of Means Difference T-Value P-Value 1 -1 -1.040 0.06589 -15.78 0.0000 1 1 -0.463 0.06589 -7.02 0.0002
pH = 1Pb = -1 subtracted from:
Difference SE of AdjustedpH Pb of Means Difference T-Value P-Value 1 1 0.5775 0.06589 8.765 0.0000
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Figure 15
Figure 16
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Hydroxyapatite pHGeneral Linear Model: Hydroxyapatite pH versus Apatite, pH, Pb
Factor Type Levels ValuesApetite fixed 2 -1, 1pH fixed 2 -1, 1Pb fixed 2 -1, 1
Analysis of Variance for Hydroxyapatite pH, using Adjusted SS for Tests
Source DF Seq SS Adj SS Adj MS F PApetite 1 0.0841 0.0841 0.0841 42.85 0.000pH 1 8.8209 8.8209 8.8209 4494.73 0.000Pb 1 8.1510 8.1510 8.1510 4153.39 0.000Apetite*pH 1 0.1260 0.1260 0.1260 64.22 0.000Apetite*Pb 1 0.0144 0.0144 0.0144 7.34 0.027pH*Pb 1 3.2400 3.2400 3.2400 1650.96 0.000Apetite*pH*Pb 1 0.0002 0.0002 0.0002 0.11 0.744Error 8 0.0157 0.0157 0.0020Total 15 20.4524
S = 0.0443001 R-Sq = 99.92% R-Sq(adj) = 99.86%
Figure 17
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Figure 18
General Linear Model: Hydroxyapatite pH versus Apetite, pH, Pb
Factor Type Levels ValuesApetite fixed 2 -1, 1pH fixed 2 -1, 1Pb fixed 2 -1, 1
Analysis of Variance for Hydroxyapatite pH, using Adjusted SS for Tests
Source DF Seq SS Adj SS Adj MS F PApetite 1 0.0841 0.0841 0.0841 47.53 0.000pH 1 8.8209 8.8209 8.8209 4985.12 0.000Pb 1 8.1510 8.1510 8.1510 4606.54 0.000Apetite*pH 1 0.1260 0.1260 0.1260 71.22 0.000Apetite*Pb 1 0.0144 0.0144 0.0144 8.14 0.019pH*Pb 1 3.2400 3.2400 3.2400 1831.08 0.000Error 9 0.0159 0.0159 0.0018Total 15 20.4524
S = 0.0420648 R-Sq = 99.92% R-Sq(adj) = 99.87%
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Figure 19
Figure 20
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General Linear Model: Hydroxyapatite pH versus Apetite, pH, Pb
Factor Type Levels ValuesApetite fixed 2 -1, 1pH fixed 2 -1, 1Pb fixed 2 -1, 1
Final ANOVA tableAnalysis of Variance for Hydroxyapatite pH, using Adjusted SS for Tests
Source DF Seq SS Adj SS Adj MS F PApetite 1 0.0841 0.0841 0.0841 27.73 0.000pH 1 8.8209 8.8209 8.8209 2908.79 0.000Pb 1 8.1510 8.1510 8.1510 2687.89 0.000Apetite*pH 1 0.1260 0.1260 0.1260 41.56 0.000pH*Pb 1 3.2400 3.2400 3.2400 1068.43 0.000Error 10 0.0303 0.0303 0.0030Total 15 20.4524
S = 0.0550681 R-Sq = 99.85% R-Sq(adj) = 99.78%
Grouping Information Using Tukey Method and 95.0% Confidence
Apetite N Mean Grouping 1 8 3.841 A-1 8 3.696 B
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Hydroxyapatite pHAll Pairwise Comparisons among Levels of ApetiteApetite = -1 subtracted from:
Apetite Lower Center Upper ------+---------+---------+---------+ 1 0.08365 0.1450 0.2063 (----------------*-----------------) ------+---------+---------+---------+ 0.105 0.140 0.175 0.210
Tukey Simultaneous TestsResponse Variable Hydroxyapatite pHAll Pairwise Comparisons among Levels of ApetiteApetite = -1 subtracted from:
Difference SE of AdjustedApetite of Means Difference T-Value P-Value 1 0.1450 0.02753 5.266 0.0004
Grouping Information Using Tukey Method and 95.0% Confidence
pH N Mean Grouping 1 8 4.511 A-1 8 3.026 B
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Hydroxyapatite pHAll Pairwise Comparisons among Levels of pHpH = -1 subtracted from:
pH Lower Center Upper ---+---------+---------+---------+--- 1 1.424 1.485 1.546 (----------------*-----------------) ---+---------+---------+---------+---
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1.435 1.470 1.505 1.540
Tukey Simultaneous TestsResponse Variable Hydroxyapatite pHAll Pairwise Comparisons among Levels of pHpH = -1 subtracted from:
Difference SE of AdjustedpH of Means Difference T-Value P-Value 1 1.485 0.02753 53.93 0.0000
Grouping Information Using Tukey Method and 95.0% Confidence
Pb N Mean Grouping-1 8 4.483 A 1 8 3.055 B
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Hydroxyapatite pHAll Pairwise Comparisons among Levels of PbPb = -1 subtracted from:
Pb Lower Center Upper +---------+---------+---------+------ 1 -1.489 -1.428 -1.366 (*-) +---------+---------+---------+------ -1.50 -1.00 -0.50 0.00
Tukey Simultaneous TestsResponse Variable Hydroxyapatite pHAll Pairwise Comparisons among Levels of PbPb = -1 subtracted from:
Difference SE of AdjustedPb of Means Difference T-Value P-Value 1 -1.428 0.02753 -51.84 0.0000
Grouping Information Using Tukey Method and 95.0% Confidence
Apetite pH N Mean Grouping 1 1 4 4.673 A-1 1 4 4.350 B-1 -1 4 3.043 C 1 -1 4 3.010 C
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Hydroxyapatite pHAll Pairwise Comparisons among Levels of Apetite*pHApetite = -1pH = -1 subtracted from:
Apetite pH Lower Center Upper -----+---------+---------+---------+--1 1 1.1883 1.30750 1.42672 (*) 1 -1 -0.1517 -0.03250 0.08672 (-*) 1 1 1.5108 1.63000 1.74922 (*) -----+---------+---------+---------+- -1.0 0.0 1.0 2.0
Apetite = -1pH = 1 subtracted from:
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Apetite pH Lower Center Upper -----+---------+---------+---------+- 1 -1 -1.459 -1.340 -1.221 (-*) 1 1 0.203 0.323 0.442 (*) -----+---------+---------+---------+- -1.0 0.0 1.0 2.0
Apetite = 1pH = -1 subtracted from:
Apetite pH Lower Center Upper -----+---------+---------+---------+- 1 1 1.543 1.662 1.782 (-*) -----+---------+---------+---------+- -1.0 0.0 1.0 2.0
Tukey Simultaneous TestsResponse Variable Hydroxyapatite pHAll Pairwise Comparisons among Levels of Apetite*pHApetite = -1pH = -1 subtracted from:
Difference SE of AdjustedApetite pH of Means Difference T-Value P-Value-1 1 1.30750 0.03894 33.5781 0.0000 1 -1 -0.03250 0.03894 -0.8346 0.8370 1 1 1.63000 0.03894 41.8603 0.0000
Apetite = -1pH = 1 subtracted from:
Difference SE of AdjustedApetite pH of Means Difference T-Value P-Value 1 -1 -1.340 0.03894 -34.41 0.0000 1 1 0.323 0.03894 8.28 0.0001
Apetite = 1pH = -1 subtracted from:
Difference SE of AdjustedApetite pH of Means Difference T-Value P-Value 1 1 1.662 0.03894 42.69 0.0000
Grouping Information Using Tukey Method and 95.0% Confidence
pH Pb N Mean Grouping 1 -1 4 5.675 A 1 1 4 3.348 B-1 -1 4 3.290 B-1 1 4 2.763 C
Means that do not share a letter are significantly different.
Tukey 95.0% Simultaneous Confidence IntervalsResponse Variable Hydroxyapatite pHAll Pairwise Comparisons among Levels of pH*PbpH = -1Pb = -1 subtracted from:
pH Pb Lower Center Upper ------+---------+---------+---------+-1 1 -0.6467 -0.5275 -0.4083 *) 1 -1 2.2658 2.3850 2.5042 (*) 1 1 -0.0617 0.0575 0.1767 *) ------+---------+---------+---------+ -1.5 0.0 1.5 3.0
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pH = -1Pb = 1 subtracted from:
pH Pb Lower Center Upper ------+---------+---------+---------+ 1 -1 2.7933 2.9125 3.0317 *) 1 1 0.4658 0.5850 0.7042 (*) ------+---------+---------+---------+ -1.5 0.0 1.5 3.0
pH = 1Pb = -1 subtracted from:
pH Pb Lower Center Upper ------+---------+---------+---------+ 1 1 -2.447 -2.328 -2.208 *) ------+---------+---------+---------+ -1.5 0.0 1.5 3.0
Tukey Simultaneous TestsResponse Variable Hydroxyapatite pHAll Pairwise Comparisons among Levels of pH*PbpH = -1Pb = -1 subtracted from:
Difference SE of AdjustedpH Pb of Means Difference T-Value P-Value-1 1 -0.5275 0.03894 -13.55 0.0000 1 -1 2.3850 0.03894 61.25 0.0000 1 1 0.0575 0.03894 1.48 0.4849
pH = -1Pb = 1 subtracted from:
Difference SE of AdjustedpH Pb of Means Difference T-Value P-Value 1 -1 2.9125 0.03894 74.80 0.0000 1 1 0.5850 0.03894 15.02 0.0000
pH = 1Pb = -1 subtracted from:
Difference SE of AdjustedpH Pb of Means Difference T-Value P-Value 1 1 -2.328 0.03894 -59.77 0.0000
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Figure 21
Figure 22
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Figure 23
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Test for equal varianceFor Fishbone Pb concentration mM P value 0.309 implies rejecting alternative hypothesis in favor of null hypothesis
Figure 24
Test for equal variance for Fishbone pH P- value 0.324 implies rejecting alternative hypothesis in favor of null hypothesis
Figure 25
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Test for equal variance for hydroxyapatite Pb mM concentration. P-value 0.452 implies rejecting alternative hypothesis in favor of null hypothesis
Figure 26
Test for equal variance for hydroxyapatite Pb mM concentration. P-value 0.782 implies rejecting alternative hypothesis in favor of null hypothesis.
Figure 27
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Conclusiona) For the lead response of the Fishbone apatite concentration of Pb and apatite amount is
important factor. F-value for Pb concentration is highest. Factor effects were calculated using formula given in the book (example 6.1) The following table constructed
b) The standard residuals are generated after eliminating interaction with very small F-value compare to F-value of other factors and interactions. These standard residuals are then tested for normal distribution hypothesis. As seen from Figure 6 p-value generated is 0.055 which is greater than 0.05 (assumed). Figure 24 for equal variance check shows that data is adequate with P-value 0.309. Hence the model is adequate
c) For pH response of the Fishbone apatite, concentration of Pb and pH are more important than others. Factor effects are calculated as shown in the following table.
Factor effects
Fihbone pH
A0.5287
5
B1.4262
5 Highest
C
-1.5687
5 Lowest
AB
-0.1562
5Eliminated
AC -0.5412
Fishbone Pb
Replicate 1
Replicate 2 Total
abc 1.82 1.81 3.63ab 0.01 0 0.01ac 1.11 1.04 2.15A 0 0.01 0.01bc 2.11 2.18 4.29B 0.03 0.05 0.08C 1.7 1.69 3.39
(1) 0.05 0.05 0.1
Factor effects
Fishbone Pb
A -0.2575 LowestB 0.295C 1.6575 Highest
AB 0.075Eliminated
AC -0.2175BC 0.3
ABC 0.07Eliminated
Fishbone pHReplicate 1
Replicate 2 Total
abc 5.22 5.12 10.34ab 6.84 6.61 13.45ac 3.35 3.34 6.69a 5.77 6.25 12.02bc 5.29 5.06 10.35b 5.93 6.02 11.95c 3.39 3.34 6.73
(1) 4.5 4.74 9.24
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5
BC0.3912
5
ABC0.1637
5Eliminated
d) After eliminating non influencing factors and generating standard residuals and testing them for normality assumption, P-values obtained is 0.245 which is greater than 0.05. Therefore the data is normal and model is adequate, Shown in Figure 11. Also Figure 25 shows that model has equal variance implies adequate model with P-value of 0.324.
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e) For the lead response of the Hydroxyapatite apatite, concentration of Pb and amount of apatite were important factor. Factor effects also suggest the same conclusion as shown in table below.
Factor effects
Hydroxyapatite Pb
A -0.3675 LowestB -0.2575C 0.7825 HighestAB -0.095 EliminatedAC -0.355BC -0.205ABC -0.1075 Eliminated
f) After eliminating interactions with very small F-value as compare to others the standard residuals are tested for normality. P-value of 0.171 in Figure 15 suggests that model is adequate. Also test for equal variance as shown in Figure 26 also suggests that model is adequate with P-value of 0.452.
g) For the pH response of the Hydroxyapatite apatite, pH factor is most important among all factor. Factor effects are shown in below mentioned table.
Factor effects
Hydroxyapatite Pb
A 0.145B 1.485 HighestC -1.4275 LowestAB 0.1775
AC -0.06Eliminated
Hydroxyapatite Pb
Replicate 1
Replicate 2 Total
abc 0.11 0.12 0.23ab 0 0 0ac 0.8 0.76 1.56a 0.03 0.05 0.08bc 1.03 1.05 2.08b 0 0 0c 1.34 1.26 2.6(1) 0.06 0.07 0.13
Hydroxyapatite pH
Replicate 1
Replicate 2 Total
abc 3.49 3.46 6.95ab 5.84 5.9 11.74ac 2.7 2.74 5.44a 3.36 3.24 6.6bc 3.22 3.22 6.44b 5.53 5.43 10.96c 2.82 2.79 5.61(1) 3.28 3.28 6.56
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BC -0.9
ABC -0.0075Eliminated
h) After eliminating interactions with very small F-value as compare to others the standard residuals are tested for normality. P-value of 0.966 shown in Figure 22 suggests that model is adequate. Also test for equal variance as shown in Figure 27 suggests that model is adequate with P-value of 0.782.
i) From above 23 designs it is observed that for given amount of apatite the fishbone and hydroxyapatite has similar response. Also the pattern of effects of Factor in case of fishbone and hydroxyapatite are similar. I second the author’s conclusion that fishbone apatite can replace the hydroxyapatite apatite because it is cheaper and has almost similar effects as that of hydroxyapatite.
References:
[1]
W. B. Brentlinger, W. B. Leonard and M. Lee, Artists, New Lamar Universtiy Logo 2013. [Art]. Lamar University, 1982.
[2]
D. C. Montgomery, Design and Analysis of Experiments, Arizona: John Wiley & Sons, INC, 2013.