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Essentials of Statistics for the B...

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

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Section
BuyFindarrow_forward

Essentials of Statistics for the B...

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

In a distribution with µ = 50, a score of X = 42 corresponds to z = –2.00. What is the standard deviation for this distribution?

To determine

To Find: The standard deviation for the distribution.

Explanation

Given Info:

The X=42 corresponds to z=2.00.

The mean of the distribution is μ=50.

Calculation:

The formula for calculating the standard deviation is,

σ=Xμz

Substitute 42 for X, 50 for μ and –2

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