Answered: The mean of z-scores in a data set…

The mean of z-scores in a data set a is zero only when the x-values are balanced around the mean of x. b is greater than zero for data sets that have large outlying values.

Managerial Economics: Applications, Strategies and Tactics (MindTap Course List)

14th Edition

ISBN:9781305506381

Author:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris

Publisher:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris

Chapter4A: Problems In Applying The Linear Regression Model

Section: Chapter Questions

Problem 5E

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Question

19	The mean of z-scores in a data set
a	is zero only when the x-values are balanced around the mean of x.
b	is greater than zero for data sets that have large outlying values.
c	is always equal to one.
d	is always equal to zero

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