Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 3 - Section 3.2 - Assess Your Understanding - Applying the Concepts - Page 155: 43c

Answer

Skewness = -2.5 The distribution is skewed to the left.

Work Step by Step

We use the formula: Skewness = 3(400 - 500) / 120 = -2.5 Since the skewness is negative, the distribution is skewed to the left.
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