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131.What is the variance?
A. 342.43
B. 3424.3
C. 58.5
D. 191
E. 10609
132.What is the standard
deviation?
A. 342.43
B. 3424.3
C. 58.5
D. 191
E. 10609
Use the following to answer
questions 133-135:
Time to degree has become a
"hot" topic with federal legislators. At one state university it was
necessary
to do a quick calculation when
one of the local congressmen called the president. Twenty students were
randomly selected from the most
recent graduating class and the number of semesters they were enrolled
was calculated (mean = 9.6)
7, 8, 10, 11, 8, 6, 10, 9, 9, 8,
13, 12, 8, 11, 11, 14, 8, 7, 10, 12
133.What is the range?
A. 8
B. 2.162
C. 9.5
D. 4.674
E. 21.846
134.What is the variance?
A. 8
B. 2.162
C. 9.5
D. 4.674
E. 21.846
135.What is the standard
deviation?
A. 8
B. 2.162
C. 9.5
D. 4.674
E. 21.846
Use the following to answer
questions 136-143:
In a statistic class, 10 scores
were randomly selected with the following results were obtained:
74, 73, 77, 77, 71, 68, 65, 77,
67, 66
136.What is the 90th percentile?
A. 77
B. 73
C. 74
D. 67
E. 65.9
137.What is the third quartile?
A. 65.9
B. 67.3
C. 66.75
D. 73.85
E. 77.0
138.What is the first quartile?
A. 65.9
B. 67.3
C. 66.75
D. 73.85
E. 77.0
139.What is the 10th percentile?
A. 65.9
B. 67.3
C. 66.75
D. 73.85
E. 77.0
140.What is the 65th percentile?
A. 65.9
B. 67.3
C. 66.75
D. 73.85
E. 77.0
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