Mean, Median, Mode, Range, IQR & Mad

Finding MAD

100

What does each letter of MAD stand for?

Mean Absolute Deviation

200

Find the MAD: 10, 7 , 13, 10, 8

1.68 / 1.7

300

Find the MAD: 110, 114, 104, 108, 106

2.88 / 2.9

400

Define: MAD

The average distance each data point is away from the MEAN

500

Find the MAD: 15, 17, 15, 17, 21, 17, 15, 23, 20, 18

2.16 / 2.2

Finding IQR

100

Find the IQR. 35, 56, 34, 44, 52, 12, 34, 45

IQR = 14.5

200

Find the IQR. 24, 34, 32, 16, 45, 38, 28

IQR = 14

300

Define:IQR

The upper quartile (Q3) minus the lower quartile (Q1).

400

Find the IQR. 86, 24, 65, 65, 24, 24

IQR = 41

500

Find the IQR. 32, 23, 22, 33, 33, 23, 32, 23, 22

IQR = 10

Median

100

Find the median. 12, 34, 34, 35, 44, 45, 52, 56

39.5

200

Find the Median: 16, 24, 28, 32, 34, 38, 45

32

300

Find the Median: 24, 24, 24, 65, 65, 86

44.5

400

Find the Median: 22, 22, 23, 23, 23, 32, 32, 33, 33

23

500

Find the Median: 16, 24, 28, 32, 34, 38, 45

32

Mode & Range

100

Find the Mode & Range. 12, 34, 34, 35, 44, 45, 52, 56

Mode = 34

Range = 44

200

Find the Mode & Range. 16, 24, 28, 32, 34, 38, 45

Mode = None

Range = 29

300

Find the Mode & Range. 24, 24, 24, 65, 65, 86

Mode = 24

Range = 62

400

Find the Mode & Range. 22, 22, 23, 23, 23, 32, 32, 33, 33

Mode = 

Range = 11

500

Define: Median Mode & Range

Median : Middle Number Mode: Appears the most Range: The distance the data set covers

Which one would I use?

100

You want to find the average height of a basketball team. Which central tendency would you use?

Mean

200

To determine the difference between the smallest and biggest person on a basketball team. Which central tendency would you use?

Range

300

You have a range of answers from a particular survey. You are trying to figure out the middle of the data. Which central tendency would you use?

Median

400

You survey a group of people asking them what their favorite food is. Which central tendency would you use to determine the most popular food?

Mode

500

You are trying to figure out how close together a certain set of data is, Which central tendency would you use?

MAD