Mean Absolute Deviation (MAD)

What are the three measures of center?

• Mean, Median & MAD

• Median, Mode & IQR

• Mean, Median & Mode

• Median, MAD & Mean

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

• Find the distance (absolute value) each data value is from the mean

• Find the mean of the distances

• Find the mean of the data

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

• Find the distance (absolute value) each data value is from the mean

• Find the mean of the distances

• Find the mean of the data

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

• Find the distance (absolute value) each data value is from the mean

• Find the mean of the distances

• Find the mean of the data

Which dot plot shows more consistency? a or b?

• a (Set I)

• b (Set II)

Tags

CCSS.7.SP.B.4

CCSS.7.SP.B.3

Which are measures of variability? Select ALL that apply.

• IQR

• Mean

• MAD

• Range

• Median

Which dot plot shows more variability? a or b?

• a (Set I)

• b (Set II)

Find the Mean Absolute Deviation: 10, 9, 3, 8, 10.

• 3

• 5

• 1

• 2

Tags

CCSS.7.NS.A.1D

Which mean absolute deviation would have a greater variability or spread?

• 4.2

• 8.5

• 5.9

• 3.5

Find the MAD:

58, 38, 54, 48, 26, 40

• 11.33

• 8.33

• 9.33

• 10.33