Why is the average IQ equal to 100?
(a) that is just the nature of intelligence; it could not be otherwise
(b) all normal distributions have an average of 100
(c) it is just a lucky accident; it could have come out any way
(d) Binet originally used a ratio, MA/CA, defined so that the mean MA had to
equal the mean CA. That ratio was then multiplied by 100. Today, test scores are
statistically adjusted so that average performance is set equal to 100.
D
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Tom remained an active and vital force within his family until he could no longer carry out that role. Tom's illness was viewed as a crisis that united family members in caregiving. Tom is most likely a(n)
A) African American. B) Native American. C) Buddhist. D) member of the Maori tribe.
When we want to generalize from the behavior of a small group to a large group, we must rely on
a. descriptive statistics. b. normative statistics. c. inferential statistics. d. random statistics.