Statistical Selection Chart. For 2 samples ASK You say you want to compare! How many samples? Are my...
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Transcript of Statistical Selection Chart. For 2 samples ASK You say you want to compare! How many samples? Are my...
Statistical
Selection
Chart
For 2 samplesASK
You say you want to compare!How many samples?
Are my samples related? ORAre they independent?
For Class A DataUSE
For related samplesASK
What is the level of measurement?
For Class B DataUSE
For Class C DataUSE
T-Test forCorrelated Sample
WilcoxenMatched-Pairs
Signed-Ranks Test
McNemar Test forSignificance of
Changes
For Class A DataUSE
For independent samples ASK
What is the level of measurement?
For Class B DataUSE
For Class C DataUSE
T-Test forSeparate Group orPooled Variance
Mann-WhitneyU-Test
Chi-Square Test
For k > 2 samples
ASK
You say you want to compare!How many samples?
Within which measurementlevel does my data fall?
For Class A DataUSE
Analysis of Variance(ANOVA)
For RelatedSamples USE
For Class B DataASK
Are my samples related or independent?
For IndependentSamples USE
Friedman Two-WayAnalysis ofVariance
Kruskal-Wallis One-Way Analysis of
Variance
For Class C DataASK
Are my samples related or independent?
For RelatedSamples USE
For IndependentSamples USE
Cochran Q-Test Chi-Square Test
For RelatedSamples USE
For IndependentSamples USE
For 2 variables
ASK
You say you want relate!How many variables?
What is the levelof measurement?
For Class A DataUSE
Pearson Product-MomentCoefficient of Correlation (r)
For Class B DataUSE
Spearman Rank-Order Coefficientof Correlation (rho) OR
Kendall Rank Correlation (Tau)
For Class C DataUSE
Contingency Coefficient(C)
For Mixed DataUSE
Biserial CorrelationSpearman rho or
Kendall Tau
If one is Class A andone is Class C USE
If mixed Class A and B, convert
Class A to B -USE
For K variables
ASK
You say you want relate!How many variables?
What is the levelof measurement?
For Class A DataUSE
Multiple RegressionAnalysis
For Class B DataUSE
Kendall PartialRank-Correlation
For Class C DataUSE
Discriminate Analysis
You say you want describe!Just One Question...
What is the levelof measurement?
For Class A DataUSE
Mean and Variance or Standard Deviation
For Class B DataUSE
Median and Range
For Class C DataUSE
Mode