Statistics Super Review by Editors of REA;

Author:Editors of REA;
Language: eng
Format: epub
Publisher: Research & Education Association
Published: 2013-08-15T00:00:00+00:00

where μ and σ denote the population mean and standard deviation; while and denote the mean and standard deviation, respectively, of the sampling distribution.

EXAMPLE:

Suppose a population consists of the five numbers 2, 4, 5, 6, and 8. All possible samples of size two are drawn with replacement. Thus, there are 5 × 5 = 25 samples. The mean of the population is

and the standard deviation of the population is

We shall list all 25 samples and their corresponding sample means

The mean of the sampling distribution of means is

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