Mean Absolute Deviation

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What is the Mean Absolute Deviation (MAD)?

Back

The Mean Absolute Deviation (MAD) is a measure of the dispersion or spread of a set of data points. It represents the average distance between each data point and the mean of the data set.

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Front

What is another word for average?

Back

Mean

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Front

What is the first step in calculating the Mean Absolute Deviation?

Back

Find the mean of the data.

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Front

What is the second step when calculating the Mean Absolute Deviation?

Back

Find the distance each value is from the mean.

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What is the third step when calculating the Mean Absolute Deviation?

Back

Find the mean of the distances.

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Front

How do you calculate the mean of a data set?

Back

Add all the values together and divide by the number of values.

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CCSS.6.SP.B.5C

Front

Given the data set: 11, 34, 16, 18, 22, 30, 18, 20, 15, 16, what is the mean?

Back

The mean is 19.4.

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CCSS.6.SP.B.5C

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Given the data set: 65, 90, 85, 70, 70, 95, 55, what is the Mean Absolute Deviation?

Back

The Mean Absolute Deviation is 12.24.

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What does it mean if the Mean Absolute Deviation is low?

Back

A low Mean Absolute Deviation indicates that the data points are close to the mean, showing less variability.

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CCSS.6.SP.B.5C

Front

What does it mean if the Mean Absolute Deviation is high?

Back

A high Mean Absolute Deviation indicates that the data points are spread out over a wider range of values, showing more variability.

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