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 α = 0.10, that there is no difference in variance. Give the critical region, test statistic value, and conclusion for the F test.
n ₁ = 60     s ₁ = 48
n ₂ = 60     s ₂ = 65
α = 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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