Statistics

IQ test scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the x- score that corresponds to a z-score of 2.33.

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  2. 👎 0
  3. 👁 1,748
  1. Z = (score-mean)/SD

    2.33 = (x-100)/15

    Solve for x.

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    2. 👎 2
  2. 143.2

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