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Standard Deviation

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On standard IQ tests, the mean is 100 and the standard deviation is 16. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is more than 100.

  • Standard Deviation -

    If the distribution is normal, mean, median and mode are the same value. Look into your definition of median.

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