Elementary Statistics: Picturing the World (6th Edition)

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

Chapter 2 - Descriptive Statistics - Review Exercises - Page 119: 47

Answer

a) z = 2.60 (b) A towing capacity of 18,000 pounds is about 2.60 standard deviations above the mean. (c) Unusual

Work Step by Step

z = (18000 - 11830)/2370 = 2.60 z score between -2 and 2 is usual
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