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    Chebyshev's Theorem,

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    A distribution has a mean of 260 and a standard deviation of 18. Using Chebyshev's Theorem, what is the percentage of data values that will fall in the range of 215 to 305?

    © BrainMass Inc. brainmass.com June 3, 2020, 4:57 pm ad1c9bdddf
    https://brainmass.com/statistics/probability-theory/9150

    Solution Preview

    because,
    <x> = mean = 260
    <x> - X1 = 260 - 215 = 45 = d
    and,
    X2 - <x> = 305 - 260 = 45 = ...

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