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 5 - Other Descriptive Statistics - Problems: 5.2

Answer

This shows that Sigma z=0

Work Step by Step

We have previously discovered that Sigma(X - X) = 0 is a property of the mean. In English, this says that the sum of all the deviations from the mean is equal to 0.
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