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The mean absolute deviation formula

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The mean absolute deviation formula

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The mean absolute deviation formula

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Subject 6. Measures of Dispersion
artile range. Example The range of the numbers 1, 2, 4, 6,12,15,19, 26 = 26 - 1 = 25 Recall that the deviation from the arithmetic mean is the distance between the mean and an observation in the data set. <span>The mean absolute deviation (MAD) is the arithmetic average of the absolute deviations around the mean. In calculating the MAD, we ignore the signs of deviations around the mean. Remember that the sum of all the deviations from the mean is equal to

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