Chapter 13 Test Review A Growing Sense of Nationhood ~Mrs. Connor.
Chapter 13 Test Review
17
CHAPTER 13 TEST REVIEW Statistics Review MGF 1106 Fall 2011
description
Chapter 13 Test Review. Statistics Review MGF 1106 Fall 2011. 20, 25, 25, 29, 31. Determine the following for the data listed above:. Mean Mode Range Median Midrange. 25.5, 25, 51, 25, 26 26, 51, 25.5, 25, 11 26, 25, 11, 25, 25.5 26, 11, 25, 25, 25.5. 20, 25, 25, 29, 31. - PowerPoint PPT Presentation
Transcript of Chapter 13 Test Review
CHAP
TER
13 T
EST
REVI
EWStatisticsReview
MGF 1106
Fall 2011
20, 25, 25, 29, 31
Determine the following for the data listed above:
Mean
Mode
Range
Median
Midrange
a) 25.5, 25, 51, 25, 26
b) 26, 51, 25.5, 25, 11
c) 26, 25, 11, 25, 25.5
d) 26, 11, 25, 25, 25.5
20, 25, 25, 29, 31
What is the standard deviation for the data above?
a) 26
b) 4.24
c) 18
d) 3.96
5 9 14 20 27 327 11 15 23 28 347 12 17 23 29 358 14 18 24 30 359 14 18 25 30 37
Use the set of data to construct a frequency of distribution; let the first class be 5-10.
Class Freq.
5-10 6
11-16 6
17-22 4
23-28 6
29-34 5
35-37 3
Class Freq.
5-10 6
10-15 6
15-20 5
20-25 5
25-30 6
30-37 7
Class Freq.
5-10 6
11-16 6
17-22 5
23-28 5
29-34 6
35-40 7
Class Freq.
5-10 6
11-16 6
17-22 4
23-28 6
29-34 5
35-40 3
A. B. C. D.
5 9 14 20 27 327 11 15 23 28 347 12 17 23 29 358 14 18 24 30 359 14 18 25 30 37
Use the set of data to construct a histogram of the frequency of distribution.
A. B. C.
7.513.5
19.525.5
31.537.5
0
2
4
6
Scores
Freq
uenc
y
7.513.5
19.525.5
31.537.5
0
2
4
6
8
Scores
Freq
uenc
y
7.513.5
19.525.5
31.537.5
0
2
4
6
ScoresFr
eque
ncy
5 9 14 20 27 327 11 15 23 28 347 12 17 23 29 358 14 18 24 30 359 14 18 25 30 37
Use the set of data to construct a frequency polygon of the frequency of distribution.
A. B. C.
7.513.5
19.525.5
31.537.5
0
2
4
6
Scores
Freq
uenc
y
5-10
11-16
17-22
23-28
29-34
35-40
0
2
4
6
8
Scores
Freq
uenc
y
5-10
10-15
15-20
20-25
25-30
35-40
01234567
ScoresFr
eque
ncy
What is the most common score?a) 81
b) 83
c) 80
d) 95
Mean 81 First Quartile 60
Median 83 Third Quartile 89
Mode 80 90th Percentile 95
Standard Deviation 9
The following data represents Algebra II test scores.
What score did half of the students exceed?
a) 81
b) 83
c) 80
d) 95
Mean 81 First Quartile 60
Median 83 Third Quartile 89
Mode 80 90th Percentile 95
Standard Deviation 9
The following data represents Algebra II test scores.
About what percent of students’ grades exceeded 89?
a) 25
b) 50
c) 75
d) 100
Mean 81 First Quartile 60
Median 83 Third Quartile 89
Mode 80 90th Percentile 95
Standard Deviation 9
The following data represents Algebra II test scores.
About what percent of students’ grades were less than 95?
a) 5
b) 90
c) 60
d) 95
Mean 81 First Quartile 60
Median 83 Third Quartile 89
Mode 80 90th Percentile 95
Standard Deviation 9
The following data represents Algebra II test scores.
If there are 100 students enrolled in Algebra II, what would be the total of all the scores?
a) 81
b) 8300
c) 8100
d) 8000
Mean 81 First Quartile 60
Median 83 Third Quartile 89
Mode 80 90th Percentile 95
Standard Deviation 9
The following data represents Algebra II test scores.
What test score represents one standard deviation above the mean?
a) 81
b) 90
c) 9
d) 72
Mean 81 First Quartile 60
Median 83 Third Quartile 89
Mode 80 90th Percentile 95
Standard Deviation 9
The following data represents Algebra II test scores.
What test score represents 1.5 standard deviations below the mean?
a) 81
b) 90
c) 67.5
d) 72.5
Mean 81 First Quartile 60
Median 83 Third Quartile 89
Mode 80 90th Percentile 95
Standard Deviation 9
The following data represents Algebra II test scores.
The average price for a medium cup of coffee in Center Town is normally distributed with a mean
of $1.97 and a standard deviation of $0.23.
What percent of cups of coffee sold were between $1.75 and $2.15?
a) 16%
b) 78%
c) 61%
d) 95%
The average price for a medium cup of coffee in Center Town is normally distributed with a mean
of $1.97 and a standard deviation of $0.23.
What percent of cups of coffee were sold for greater than $1.50?
a) 98%
b) 2%
c) 20%
d) 47%
The average price for a medium cup of coffee in Center Town is normally distributed with a mean
of $1.97 and a standard deviation of $0.23.
What percent of cups of coffee were sold for greater than $2.00?
a) 55%
b) 1%
c) 45%
d) 3%
The average price for a medium cup of coffee in Center Town is normally distributed with a mean
of $1.97 and a standard deviation of $0.23.
What percent of cups of coffee were sold for less than $2.00?
a) 84%
b) 10%
c) 16%
d) 90%
