Wechsler Developed the Deviation IQ Based on the Normal Distribution

question 80

Multiple Choice

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

• A) The person's mental age is 13 and chronological age is 10. 
• B) The person has 130 units of intelligence. 
• C) The test score was calculated incorrectly, because 100 is the highest possible score. 
• D) The person scored 2 standard deviations above the mean.

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