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a sample of 100 1st generation college students, with an average gpa of 3.20 and a...

a sample of 100 1st generation college students, with an average gpa of 3.20 and a standard deviation of .375. calculate and interpret 90% CI

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Answer #1

T score for 90% confidence interval = t0.05,99 = 1.66

Confidence interval

                               

                               

                                = (3.138 , 3.262)

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