Jane's IQ score collocates 2 standard deviations above the average on a distribution whose mean is 100 and standard deviation is 20. What is Jane's IQ score?

Name: Jane's IQ score collocates 2 standard deviations above the average on a distribution whose mean is 100 and standard deviation is 20. What is Jane's IQ score?
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Quizplus · Accepted Answer

Jane's IQ score is 140 because being 2 standard deviations above the mean (100) with each standard deviation being 20, you add 40 (2 x 20) to the mean, resulting in 140.

Jane's IQ Score Collocates 2 Standard Deviations Above the Average