The mean of an exam is 57.3 and the standard deviation is 9.6. What will happen to

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The mean of an exam is 57.3 and the standard deviation is 9.6. What will happen to the standard deviation of these scores if the instructor

(a) Adds 5 points to each score?

(b) Subtracts 4 points from each score?

(d) Divides each score by 3?

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Introductory Statistics For The Behavioral Sciences

ISBN: 9780470907764

7th Edition

Authors: Joan Welkowitz, Barry H. Cohen, R. Brooke Lea

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Question Posted: Dec 05, 2018 09:17 AM

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The mean of an exam is 57.3 and the standard deviation is 9.6. What will happen to

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a The SD will not be changed but the ...View the full answer

Introductory Statistics For The Behavioral Sciences

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