Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 6 - Normal Probability Distributions - 6-6 Assessing Normality - Beyond the Basics: 21

Answer

a) Yes. b)Yes. c)No.

Work Step by Step

a) The heights are normally distributed, therefore they are bell shaped. By adding a constant to each value, the bell shape remains, therefore the answer is yes. b)The heights are normally distributed, therefore they are bell shaped. By multiplying each value by the same constant, the bell shape remains, therefore the answer is yes. c)Logarithm is not linear, therefore it changes the shape, therefore the answer is no.
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