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16 May, 03:42

The distribution of the IQ (Intelligence Quotient) is approximately normal in shape with a mean of 100 and a standard deviation of 15. According to the standard deviation rule, what range of IQ scores do many (68%) people have

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  1. 16 May, 04:35
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    Step-by-step explanation:

    The Standard Deviation Rule states that for a normal distribution, nearly all of the data will fall within three standard deviations of the mean. The empirical rule is further illustrated below

    68% of data falls within the first standard deviation from the mean.

    95% fall within two standard deviations.

    99.7% fall within three standard deviations.

    The distribution of the IQ (Intelligence Quotient) is approximately normal in shape with a mean of 100 and a standard deviation of 15.

    Therefore, the range of IQ scores that many (68%) people have is between

    100 - 15 and 100 + 15

    It becomes

    85 to 115
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