Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0321911210
ISBN 13: 978-0-32191-121-6

Chapter 2 - Descriptive Statistics - Section 2.4 Measures of Variation - Exercises - Page 95: 23

Answer

(a) Greatest sample standard deviation: (ii) Least sample standard deviation: (iii) (b) Same mean, median, and mode; different standard deviation.

Work Step by Step

(a) Greatest sample standard deviation: (ii) Data set (ii) has more entries that are farther away from the mean. Least sample standard deviation: (iii) Data set (iii) has more entries that are close to the mean. (b) The three data sets have the same mean, median, and mode, but have a different standard deviation.
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