EdmundsCom Would Like to Test the Hypothesis That the Standard

question 16

Multiple Choice

Edmunds.com would like to test the hypothesis that the standard deviation for the age of an imported car on the road is greater than the standard deviation for the age of a domestic car. The following data shows the ages of a random sample of import and domestic cars. Which of the following would be the correct value of the test statistic?

• A) 9.41
• B) 5.23
• C) 6.75
• D) 10.56

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