Answer
50
Work Step by Step
$\sum x^{2}=(6)^{2}+(0)^{2}+(-2)^{2}+(-1)^{2}+(3)^{2}=50$
Statistics (12th Edition)
by McClave, James T.; Sincich, Terry T.
Published by
Pearson
ISBN 10:
0321755936
ISBN 13:
978-0-32175-593-3
Chapter 2 - Methods for Describing Sets of Data - Exercises 2.44 - 2.47 - Learning the Mechanics - Page 50: 2.47b
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