Sample Mean Z Score Calculator
Sample Mean Z Score Calculator. How to use the sample mean calculator? The mean of a dataset is 20 and the standard deviation is 7.
The calculator will then give you an answer, and guide you through a solution so you can learn to solve this problem on your own.
Some factors that affect the width of a confidence interval include: The distribution has the mean as the original distribution, and the variation is equal to the variance divided by the sample size. Enter the numbers separated by a … There are different equations that can be used to calculate confidence intervals depending on factors such as whether the standard deviation is known or smaller samples (n 30) are involved, among others.
