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?
Definitions:
Null Hypothesis
A statement or assumption that there is no significant difference or effect, serving as the default assumption in hypothesis testing.
Startling New Claims
Claims or assertions that are surprising and have recently come to light, often attracting significant attention.
Null Hypothesis
A statement of no effect or no difference, which researchers aim to test against the alternative hypothesis.
Rejection Region
The interval of data points that necessitate the null hypothesis's rejection within hypothesis testing.
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