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cshalvey

  • 2 years ago

Derivation of mean, mode, and median:

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  1. cshalvey
    • 2 years ago
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    Mean = sum of observations divided by the number of observations. Mode = the observation that occurs most frequently. Median = value of the middle observation if uneven number of observations, or the average of the two middle if even number of observations

  2. FoolForMath
    • 2 years ago
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    OH yes I know :) but I want the derivation of those scary looking formulas in case of continuous series (grouped data)

  3. cshalvey
    • 2 years ago
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    hmm, okay - back to Mum for me ;)

  4. FoolForMath
    • 2 years ago
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    The one that uses cumulative frequency an all. Sure thing tell her I said "HI" and thanks in advance :)

  5. cshalvey
    • 2 years ago
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    haha, will do. Sorry I didn't ask correctly the first time ;)

  6. FoolForMath
    • 2 years ago
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    No problem :)

  7. FoolForMath
    • 2 years ago
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    Median = value of the middle observation if uneven number of observations, or the average of the two middle if even number of *sorted* observations ;)

  8. Hermella
    • 2 years ago
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    http://letmegooglethat.com/?q=what+is+the+definition+of+mean+median+and+mode

  9. Hermella
    • 2 years ago
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    lol

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