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