Statistics — Test Answers

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22
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Which of the following best describes the shape of this distribution?

A
skewed to the left
B
bimodal symmetric
C
unimodal symmetric
D
skewed to the right
23
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Which correctly describes the shape of the distribution?

A
uniform
B
roughly symmetric
C
skewed right
D
skewed left
24

Which interval contains the median movie run time?

A
100–110 minutes
B
110–120 minutes
C
90–100 minutes
D
120–130 minutes
25

Which interval accounts for the lowest percentage of response times?

A
70–80 seconds
B
30–40 seconds
C
20–30 seconds
D
80–90 seconds

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