STAT 213 Lecture 28: lec_28

• School: University of Calgary
• Department: Statistics
• Course: STAT 213
• Professor: Anatoliy Swishchuk

Document Summary

The mean and standard deviation of x. 1 the mean and standard deviation of x size n, and the population distribution. The sample mean x from a sample or an experiment is an estimate of the mean ; The sample distribution of x is determined by the design, the sample. The sample mean of an srs of size n is: 1 n (x1 + x2 + + xn). Is the mean of each observation xi, since the population has mean. ; calculation of the mean and standard deviation for x (use the addition rules for means and standard deviations): The mean of x is the same as the mean of the population. Mean and standard deviation of a sample mean let x be the mean of an. Srs of size n from a population having mean and standard deviation . The mean and standard deviation of x are.