MAD & IQR Review - Stats

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

• 3
• 5
• 1
• 2

Find the Mean Absolute Deviation:  5, 11, 2, 7, 16.  The Mean is 8.2 

• 3.2
• 2.8
• 1.2
• 4.2

Which dot plot shows more consistency? a or b?

• a
• b

Which dot plot shows more variability? a or b?

• a
• b

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

• Find the distance each value is from the mean

• Find the mean of the distances

• Find the mean of the data set

Tags

CCSS.6.SP.B.5C

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

• Find the distance that each value (and its absolute 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 each value is from the mean
• Find the mean of the distances
• Find the mean of the data

Find the MAD:
58, 38, 54, 48, 26, 36

• 43
• 20
• 10
• 12

What is another word for average?

• Mean
• Median
• Mode
• Range

If your MAD is a LARGER value, the original data set values have more __________. This means more gaps and they are more spread out. This makes for a _________ probability of outliers.

• consistency, lower

• variability, lower

• consistency, higher

• variability, higher