Solution-Calculate that the sample mean numbers of hours

Calculate that the sample mean numbers of hours

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Reference no: EM132522957

A sociology professor is interested in studying the mean number of hours,that a day student spends per week studying.This number is believed to be 18 hours .She thinks that wrong.The professor than randomly selects 400 day students and calculate that the sample mean numbers of hours spent on studying is 18.5 hours with s=4 is the sociology professor's claim valid at a a=5%

Reference no: EM132522957

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Calculate that the sample mean numbers of hours

Reference no: EM132522957

Reference no: EM132522957

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