the population mean grade is 78 with a standard
The population mean grade is 78, with a standard deviation of 6 points. Determine the sample size needed to detect an increase of 5 points. Let alpha = 0.02 and beta = 0.05. Calculate the sample size
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the population mean grade is 78 with a standard deviation of 6 points determine the sample size needed to detect an increase of 5 points let alpha
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