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Essentials of Statistics for the B...

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

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BuyFindarrow_forward

Essentials of Statistics for the B...

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

What is the standard deviation for the following set of N = 5 scores: 10, 10, 10, 10, and 10? (Note: You should be able to answer this question directly from the definition of standard deviation, without doing any calculations.)

To determine

To find: The standard deviation for the set of scores.

Explanation

Given info:

The set of N=5 scores are, 10, 10, 10, 10, and 10.

Calculation:

The formula for calculating the mean is,

μ=xiN

The formula for calculating the standard deviation is,

σ=Σ(xiμ)2N

The mean is,

μ=10+10+10+10+105=505=10

The standard deviation is,

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