Posted: March 3rd, 2014

If you wish to estimate the population mean with a sampling distribution error SE=0.28 using a 95% confidence interval and you know from prior sampling that variance is equal to 3.8, how many obseravtions would have to be included in your sample?

If you wish to estimate the population mean with a sampling distribution error SE=0.28 using a 95% confidence interval and you know from prior sampling that variance is equal to 3.8, how many obseravtions would have to be included in your sample?

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