Calculate Sample Size Required. Determine the minimum sample size needed to construct a 99 confidence interval for the population mean. Popular Course in this category.
Popular Course in this category. Determine the minimum sample size needed to construct a 99 confidence interval for the population mean. Determine the sample size required to estimate a population mean to within 10 units given that the population standard deviation is 50.
If your population is smaller and known just use the sample size calculator.
A confidence level of 90 is judged to be appropriate. Assume the population standard deviation is 025 inches. Study Group Design. How many people are you talking about in total.
