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Maths - IQR

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How do you work out the Inter Quartile range?

WHats the name for xbar and how do you work this out?


  • Maths - IQR - ,

    Interquartile range is the middle 50%, found by subtracting Q1 from Q3.

    x bar is the sample mean. Add all the scores in the sample and divide by the number of scores.

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