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?
(c) Multiplies each score by 2?
(d) Divides each score by 3?
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Related Book For
Introductory Statistics For The Behavioral Sciences
ISBN: 9780470907764
7th Edition
Authors: Joan Welkowitz, Barry H. Cohen, R. Brooke Lea
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