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The scoring of modern IQ tests is such that IQs have a Normal distribution with mean 100 and standard deviation 15. What is the approximate IQ of someone with a z-score of 0.93?
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Sep 26, 2021
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The scoring of modern IQ tests is such that IQs have a Normal distribution with mean
100 and standard deviation 15. What is the approximate IQ of someone with a z-score of 0.93?
Mathematics
high-school
SMor
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Answer:
114
Explanation:
z = (x − μ) / σ
0.93 = (x − 100) / 15
x ≈ 114
Moira
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Oct 1, 2021
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