Mean, Median, Mode, Range, IQR & Mad

Finding mean

100

How to find mean?

add all numbers together and divided by the number of value in the data set

200

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

9.6

300

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

108.4

400

find mean: 32, 23, 22, 33, 17, 14

23.5

500

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

215.8

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

Finding Median

100

Find the Median 35, 56, 34, 44, 52, 12, 34, 45

Median = 39.5 

200

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

Median = 32 

300

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

Median = 44.5 

400

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

Median = 23

500

Define: Median 

Median : Middle Number

Riddles

100

What happens once in a lifetime, twice in a moment, but never in one hundred years?

The letter “M.”

200

What has four eyes but can’t see?

Mississippi.

300

How can a leopard change its spots?

By moving from one spot to another.

400

What is so fragile that saying its name breaks it?

Silence.

500

What’s black, white, and blue?

a sad zebra