Basic Statistics: Tales of Distributions 10th Edition

Published by Cengage Learning
ISBN 10: 0-49580-891-1
ISBN 13: 978-0-49580-891-6

Chapter 5 - Other Descriptive Statistics - Problems - Page 75: 5.3


Some individuals would like to have a negative z-score for their weight, or for the amount of money they paid for their new car. Students would also like to have a negative z-score for the number of hours of study needed in order to get an A on a final exam in a particular course. Students would love to have a negative z-score for the amount of their student debit.

Work Step by Step

In all these cases, a negative z-score means that they are below the mean. In each of these cases, below the mean is generally good.
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