Number of students required to estimate the mean

Reference no: EM1321127

A registrar wants to estimate the arithmetic mean grade point average (GPA) of all graduating seniors during the past 10 years. GPA range between 2.0 and 4.0. The mean GPA is to be estimated within plus or minus .05 of the population mean. The standard deviation is estimated to be 0.279. Use the 99% level of confidence.

Reference no: EM1321127

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