Wechsler developed the deviation IQ based on the normal distribution. On his test, an overall IQ of 130 would mean

a. the person has 130 units of intelligence.
b. the person scored two standard deviations above the mean.
c. the person's MA is 13 and CA is 10.
d. the test score was calculated incorrectly, because 100 is the highest possible score.

B

Psychology

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