The test statistic used to compare the variances of

Question 32
The test statistic used to compare the variances of two populations will always be greater than 1.0
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Question 33
A professor would like to test the hypothesis that the average number of minutes that a student needs to complete a statistics
exam has a standard deviation that is less than 5.0 minutes. The correct hypothesis statement would be ________.
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Question 34
Costco sells paperback books in their retail stores and wanted to examine the relationship between price and demand. The price
of a particular novel was adjusted each week, and the weekly sales were recorded in the table below.
Management would like to use simple regression analysis to estimate weekly demand for this novel using the price of the novel.
The 95% prediction interval that estimates the weekly sales for a price of $9 is ________.
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Question 35
The ________ measures the variation in the dependent variable that is explained by variables other than the independent
variable in simple regression analysis.

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Question 36
The table below shows the number of cars sold last month by six employees at Concord Motors and each employee's number of
years of sales experience.
The correlation coefficient for this data is ________.
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Question 37
A correlation coefficient of -0.80 indicates a weak negative relationship between two variables
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