1. The purpose of measures of central tendency is to describe what value of a distribution of scores is
a. the most typical or representative.
b. the most surprising or unexpected.
c. the most significant or important.
d. all of the above.
ANSWER: a
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The application of machines and information technologies has:
a. made most work more interesting b. eliminated many traditional manufacturing jobs c. pushed workers into low-pay service jobs d. dramatically increased jobs in those sectors where technology is used e. b and c above
There are several categories of elderly people, due in part to the fact that old people in our society are living longer. People age 85 and older fall into the category of the
a. young-old. b. middle-old. c. old-old. d. older than old.
The variance of a group of scores is the same as the
A) average of the squared deviations from the mean. B) sum of the squared deviations about the mean. C) average of the absolute deviations from the mean. D) sum of the absolute deviations from the median.
Female and male athletes are treated equally by the media.
Answer the following statement true (T) or false (F)