Which measure of variability COULD remain unchanged if one score in the sample decreased by 10 points?
A) Range
B) Variance
C) Standard deviation
D) All of these measures would always change if one score were changed.
Answer: A
Political Science
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a. water is cleaner today than it was twenty-five years ago. b. air is dirtier than it was twenty-five years ago. c. the air is dirtier but water is cleaner than it was twenty-five years ago. d. both the air and water are dirtier today than twenty-five years ago.
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In general, Texans favor ______.
a. recidivism b. rehabilitation c. forgiveness d. retribution
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