Statistics: The Art and Science of Learning From Data (3rd Edition)

Published by Pearson
ISBN 10: 0321755944
ISBN 13: 978-0-32175-594-0

Part 1 - Review Exercises - Page 203: R1.7

Answer

a) modal category = every day, median = a few times a week (b) mean = 3.178, less than in 1994

Work Step by Step

Mean is calculated through adding total number of data sets, as well as each data sets value then dividing it by the total number of data sets.
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