Question: A teacher wishes to compare two different groups of students with respect to their mean time to complete a standardized test. The time required is determined for each group. The data summary is given below. Test the claim at = 0.10, that there is no difference in variance. Give the critical region, test statistic value, and conclusion for the F test.

n ₁ = 40     s ₁ = 34

n ₂ = 60     s ₂ = 41

= 0.10

State the null and alternate hypotheses

Determine which test statistic applies, and calculate it

Determine the critical region

State your decision: Should the null hypothesis be rejected?

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