Question

Suppose we have the following data on scores for two exams: EXAM 1.   EXAM 2     ...

Suppose we have the following data on scores for two exams:

EXAM 1.   EXAM 2
     90         90
     96          92
     80         88
     70        84
     77         86
     82        78
     75

a. Test to see whether the variances for the two examinations are equal. Test at the 0.05 level.

b. Using your result in (a), conduct a t-test to see whether the means for the two examinations are equal. Test at the 0.05 level.

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