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a. After 6 points have been added to every score in a sample the mean is found to be M = 10 and the standard deviation is s = 13. What were the values for the mean and standard deviation for the original sample? b. After every score in a sample is multiplied by 3, the mean is found to be M = 48 and the standard deviation is .f = l 8 what were the values for the mean and standard deviation for the original sample?

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Statistics for The Behavioral Scie...

10th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781305504912
BuyFind

Statistics for The Behavioral Scie...

10th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781305504912

Solutions

Chapter
Section
Chapter 4, Problem 15P
Textbook Problem

a. After 6 points have been added to every score in

a sample the mean is found to be M = 10 and the standard deviation is s = 13. What were the values for the mean and standard deviation for the original sample?

b. After every score in a sample is multiplied by 3, the mean is found to be M = 48 and the standard deviation is .f = l 8 what were the values for

the mean and standard deviation for the original

sample?

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