Question: Below are three research questions: Please answer thoroughly and pr ovide a reference ( in text citation) to support your answer. A. Is there variability

Below are three research questions:

Please answer thoroughly and provide a reference ( in text citation) to support your answer.

A. Is there variability in cumulative GPA based on gender?

B. Is Pat's performance on a math test (graded 0 - 100) statistically higher or lower than average student performance in the class?

C. Is there a difference in student math performance (graded 0 - 100) before and after taking a remedial math class?

Which t-test would you use for each of these questions and why?

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