Sample of mean gpa scores

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Problem: We want to determine if the sample of mean GPA scores for 75 students enrolled in AP classes are higher than the general population of mean GPA scores of students enrolled in regular classes. The µ (150) and σ (20).

Please Answer this question correctly. I need this ASAP. Its dealing with the "t" & "z" test & ect.

Reference no: EM131733625

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