Mathematics, 27.05.2020 11:58 10040816

A researcher wants to estimate the mean grade point average of all current college students in the United States she has developed a procedure to standardized scores from colleges using something other than scale between zero and four how many grade point averages must be obtained so that the sample mean is point one of the population mean assume that a 90% confidence level is desired also assume that a pilot study shows the population standard deviation is .88

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A researcher wants to estimate the mean grade point average of all current college students in the U...