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On an intelligence test, the mean number of raw items correct is 233 and the standard deviation is 40. What are the raw (actual) scores on the test for people with IQs of (a)
K120, (b) 87, and (c) 100? To do this problem, first figure the Z score for the particular IQ score; then use that Z score to find the raw score. Note that IQ scores have a mean of
100 and a standard deviation of 15.
