A normal distribution of scores has a standard deviation of 10. Find the z-scores corresponding to each of the following values: a) A score that is 20 points above the mean. b) A score that is 10 points below the mean. C) A score that is 15 points above the mean. D) A score that is 30 points below the mean.
A normal distribution of scores has a standard deviation of 10. Find the z-scores corresponding to each of the following values: a) A score that is 20 points above the mean. b) A score that is 10 points below the mean. C) A score that is 15 points above the mean. D) A score that is 30 points below the mean.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A normal distribution of scores has a standard deviation of 10. Find the z-scores corresponding to each of the following values:
a) A score that is 20 points above the mean.
b) A score that is 10 points below the mean.
C) A score that is 15 points above the mean.
D) A score that is 30 points below the mean.
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