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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

For a population with a standard deviation of σ = 12, a score of X = 44 corresponds to z = –0.50. What is the population mean?

To determine

To find: The population mean.

Explanation

Given info:

The data represent the standard deviation, z-score and x-score value for the population. The population standard deviation σ=12, score of X = 44 and z score =0.50.

Calculation:

The general formula of z score to identify the population mean is,

z=Xμσμ=X

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