   Chapter 4, Problem 20P Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570

Solutions

Chapter
Section Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570
Textbook Problem

Calculate SS, variance, and standard deviation for the following population of N = 6 scores: 1, 6, 10, 9, 4, 6. (Note: The definitional formula for SS works well with these scores.)

To determine

To find: The sum of squared deviations, variance and standard deviation for the population of scores.

Explanation

Given info:

The data represents the population of scores. The scores are 1, 6, 10, 9, 4 and 6.and the population size as 6.

Calculation:

The general formula for mean is,

μ=xiN

The mean for the population scores is,

μ=xiN=1+6+10+9+4+66=6

The general formula of Sum of squared deviations is,

SS=(xiμ)2

The sum of squared deviations (SS) for the population scores is,

SS=(xiμ)2=(16)2+(66)2+(10−</

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