Statistics: Informed Decisions Using Data (4th Edition)

by Sullivan III, Michael

Published by Pearson

ISBN 10: 0321757270

ISBN 13: 978-0-32175-727-2

Chapter 11 - Review - Review Exercises - Page 582: 4b

Answer

$d ̅=-0.167$ $sd\approx 0.4502$

Work Step by Step

$d ̅=\frac{∑d_i}{n}=\frac{-0.7+0.6+0-0.1-0.4-0.4}{6}=-\frac{1}{6}=-0.167$ $sd\approx 0.4502$ (via statistics software)

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