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 3 - Exploring Data: Central Tendency - Problems: 3.2

Answer

(a) not bimodal (b) not bimodal (c) is bimodal (the 2 mades are 14 and 18)

Work Step by Step

The mode is the most frequently occurring data value. A bimodal distribution has 2 modes. Here are the data in ascending order: (a) 9, 9, 9, 10, 11, 12, 13, 14, 16, 20 (b) 6, 7, 12, 16, 17, 19, 19, 19, 21, 23 (c) 6, 14, 14, 14, 16, 17, 18, 18, 18, 28
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