   Chapter 5.2, Problem 1LCA 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

For a distribution with µ = 40 and s = 12, find the z-score for each of the following scores.a. X = 36b. X = 46c. X = 56

(a)

To determine

To Find: The z-score corresponding to X=36.

Explanation

Given Info:

The population has mean μ=40 and standard deviation s=12.

Calculation:

The z-score corresponding to X=36 can be obtained as follows:

The formula for z-score is,

z=Xμs

Substitute X=36, μ=40 and s=12

(b)

To determine

To Find: The z-score corresponding to X=46.

(c)

To determine

To Find: The z-score corresponding to X=56.

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