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statistics

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Given a data set with the mean = 44 and the standard deviation = 15, what is the value of the Third Quartile?

  • statistics - ,

    Third Quartile = 75th percentile

    Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the Z score = 75th percentile. Put the appropriate values into this equation to solve for the score.

    Z = (score-mean)/SD

  • statistics - ,

    42

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