Mathematics, 24.10.2020 04:30 vlactawhalm29

Assume that all grade-point averages are to be standardized on a scale between 0 and 5. ·How many grade-point averages must be obtained so that the sample mean is within 0.012 of the population mean? Assume that a 98% confidence level is desired. If using the range rule of thumb, σ can be estimated as range 4= 5−0 4=1.25.
·Does the sample size seem practical?

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Assume that all grade-point averages are to be standardized on a scale between 0 and 5. ·How many g...