Approximately what percentage of IQ scores falls between 70 and 130?

A) 50 percent
B) 65 percent
C) 95 percent
D) 99 percent

Question

Approximately what percentage of IQ scores falls between 70 and 130?A)  50 percentB)  65 percentC)  95 percentD)  99 percent

Ashley Paine · Accepted Answer

Final Answer : C, Explanation :  IQ scores are standardized so that the average score is 100 and the standard deviation is 15. Therefore, 68% of scores fall within one standard deviation above or below the mean (85-115), and 95% fall within two standard deviations above or below the mean (70-130).

Approximately what percentage of IQ scores falls between 70 and 130?

A) 50 percent
B) 65 percent
C) 95 percent
D) 99 percent

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