Mathematics, 27.11.2019 02:31 madivassallo

Assume that all grade-point averages are to be standardized on a scale between 0 and 6. how many grade-point averages must be obtained so that the sample mean is within 0.01 of the population mean? assume that a 98% confidence level is desired. if using the range rule of thumb, sigma can be estimated as $\frac{r}{4} = \frac{6-0}{4} = 1.5$ . 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 6. how many gra...

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