Average Assume that all grade-point averages are to be standardized on a scale between 0 and 4.
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Average Assume that all grade-point averages are to be standardized on a scale between 0 and 4. How many grade-point averages must be obtained so that the sample mean is within 0.01 of the population mean? Assume that a 95% confidence level is desired. If we use the range rule of thumb, we can estimate a to be range /4 = (4 — 0)/4 = 1 . Does the sample size seem practical?
Related Book For
Probability and Statistics for Engineers and Scientists
ISBN: 978-0495107576
3rd edition
Authors: Anthony Hayter
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