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You are interested in whether students that have a male instructors perform differently on exams. To...

You are interested in whether students that have a male instructors perform differently on exams. To investigate this, you gather a sample of 5 students that have a male instructor and compare their exam average to the average of all instructors.  The data are below:

Male Instructors

All Instructors

x ̅=74.5

µ=76.8

s = 7.62

Draw your sampling distribution and establish the rejection region. What is your critical t-value when alpha is set at a=.05 (hint: you need to use the t-table)

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