Question: A car website would like to test the hypothesis that the standard deviation for the age of an imported car on the road is greater

A car website 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. Using alphaÎ±equals=€‹0.05, determine the critical value for this hypothesis test.

A. 6.122
B. 4.284
C. 4.954
D. 6.681

Import 3 4 4 10 Domestic 4 5 4 4

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