Mean Absolute Deviation (MAD)

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Mean Absolute Deviation

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A data set is the average distance between each data value and the mean

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8.11.B

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What is the first step to find the Mean Absolute Deviation?

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Find the mean of the given data set

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8.11.B

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What is the second step to find the Mean Absolute Deviation?

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Subtract the mean from each original data point

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8.11.B

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What is the last step to find the Mean Absolute Deviation?

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Find the mean of the new set of numbers

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8.11.B

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What does M.A.D. stand for?

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Mean Absolute Deviation

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8.11.B

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What is another word for average?

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Mean

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8.11.B

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True or false? The absolute value of a number will always be positive.

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True

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8.11.B

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Find the MAD: 20, 20, 30, 30

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5

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8.11.B

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Find the MAD: 10, 20, 30

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6.7

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8.11.B

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Calculate the M.A.D. for the data set: 13, 17, 19, 27

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4

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8.11.B