Mean and Mean Absolute Deviation

What is the first step (1-2) when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean

• Find the mean of the data

• Find the mean of the distances

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

• True

• False

Tags

CCSS.6.NS.C.7

In calculating MAD, after you find the average or mean you must _____________.

• do nothing because you're done

• Find out the distance each number is from the mean.

• Find the distance each number is from zero.

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the mean of the data: 15, 20, 25, 17, 18

• 15

• 16

• 18

• 19

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the mean absolute deviation of the data: 15, 20, 25, 17, 18

• 4.5

• 2.8

• 4

• 3.8

What is the approximate mean of the data? 45, 55, 60, 48, 57, 52, 49

• 50

• 55

• 52.3

• there is no such thing as a decimal.

Tags

CCSS.4.MD.B.4

What is the absolute mean deviation of the data? 45, 55, 60, 48, 57, 52, 49 if the mean is 52.3

• 4.0

• 5

• 5.2

• 4.33

Find the MAD: (mean absolute deviation)

58, 38, 54, 48, 26, 36

• 10

• 20

• 12

• 43

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the MAD for the following set: 85, 90, 68, 75, 79

• 79.4

• 6.48

• 32.4

• 79

Find the median for the set of numbers:

85, 42, 64, 71, 39, 56, 26

• 71

• 42

• 56

• 60