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A teacher wishes to compare...

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

n1= 60 s1=45

n2= 60 s2=83

a =0.10

State the null and alternate the hypotheses

Determine which test statistic applies, and calculate it

Determine the critical region

State your own decision: Should the null hypothesis be rejected?

n1= 60 s1=45

n2= 60 s2=83

a =0.10

State the null and alternate the hypotheses

Determine which test statistic applies, and calculate it

Determine the critical region

State your own decision: Should the null hypothesis be rejected?

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