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IQ scores are normally distributed with a mean of 100 and a standard deviation of 15....

IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Give the z-score of each of the following IQ's and categorize each of as high significant, low significant or not significant.

a) 62

b)101

c) 135

Math   Statistics-And-Probability   
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Answer #1

Mean = = 100

standard deviation = = 15

a) 62

low significant

b)101

not significant

c) 135

high significant

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