Chapter 4.4, Problem 2LC

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

For the following set of scores: 1, 5, 7, 3, 4

**a.**Assume that this is a population of*N =*5 scores and compute*SS*and variance for the population.**b.**Assume that this is a sample of*n*= 5 scores and compute SS and variance for the sample.

**(a)**

To determine

The *SS* and variance for the population scores.

Explanation

**Given info:**

The population scores are 1, 5, 7, 3 and 4.

**Calculation:**

The formula of population mean is,

The formula of sum of squared deviations is,

The formula of variance is,

The mean of scores is,

The sum

**(b)**

To determine

The *SS* and variance for the sample scores.

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