Provide an interval estimate for the true population mean

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Problem 1: In a study on college dropout rates, researcher found one factor that influenced the decision to drop out was expected GPA for a student who studied 2 hours per day. In a sample of 307 college students who studied 2 hours per day, the mean GPA was 3.11 and the standard deviation was .66. Provide an interval estimate for the true population mean GPA, u using a confidence coefficient of 0.98.

a) 3.64 ; 3.94
b) 3.06 ; 3.26
c) 2.99 ; 3.02
d) 3.03 ; 3.20

Reference no: EM132746391

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