Mean and Absolute Value

Calculate the mean:

36, 47, 35, 28, 23, 32, 49, 46

• 37

• 32.8

• 42.2

• 29.6

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

• 15

• 16

• 18

• 19

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

What is the second step (3) 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

What is the third step (4-5) 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

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.

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.

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

• 3

• 1

• 5

• 2