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Find each of the requested values for a population with a mean of μ = 50 and a standard deviation of σ = 20. a. What is the z -score corresponding to X = 52? b. What is the X value corresponding to z = -0.50? c. If all of the scores in the population are transformed into z-scores, what will be the values for the mean and standard deviation for the complete set of scores ? d. What is the z-score corresponding to a sample mean of M = 42 for a sample of n = 4 scares? e. What is the z-score corresponding to a sample mean of M = 42 for a sample of n = 16 scores?

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Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781133956570
BuyFind

Essentials of Statistics for the B...

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

Solutions

Chapter
Section
Chapter 8, Problem 1RE
Textbook Problem

Find each of the requested values for a population with a mean of μ = 50 and a standard deviation of σ = 20.

a. What is the z -score corresponding to X = 52?

b. What is the X value corresponding to z = -0.50?

c. If all of the scores in the population are transformed into z-scores, what will be the values for the mean and standard deviation for the complete set of scores?

d. What is the z-score corresponding to a sample mean of M = 42 for a sample of n = 4 scares?

e. What is the z-score corresponding to a sample mean of M = 42 for a sample of n = 16 scores?

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Chapter 8 Solutions

Essentials of Statistics for the Behavioral Sciences
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