Show:
Finding MAD
Finding Mean
Use histograms and dot plots
Median, Mode, Range
Box Plots
100
What does each letter of MAD stand for?
Mean Absolute Deviation
100
Find the Mean. 35, 56, 34, 44, 52, 12, 34, 45
Mean = 39
100

27, 27, 28, 28, 25, 26, 27


Using this data, create a dot plot where each dot represents a different number. 

Check with Ms. Giunta

100
Find the Median, Mode, & Range. 35, 56, 34, 44, 52, 12, 34, 45
Median = 39.5 Mode = 34 Range = 44
100

Read the box plot shown. 

What is the median of the data? 

4

200

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

1.68 / 1.7

200
Find the Mean. 24, 34, 32, 16, 45, 38, 28
Mean = 31
200

Jethro wondered, do professional football coaches generally get paid more than college football coaches? 


Is this a statistical question?  

Yes

200
Find the Median, Mode, & Range. 24, 34, 32, 16, 45, 38, 28
Median = 32 Mode = No Range = 29
200

Look at the box plot given.


What is the range of the box plot? 

8

300

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

2.88 / 2.9

300
Define: Mean
Average
300

Read the histogram shown.


How many vehicles drove 100,000 km or more?

16 vehicles

300
Find the Median, Mode, & Range. 86, 24, 65, 65, 24, 24
Median = 44.5 Mode = 24 Range = 62
300

Look at the box plot shown.


What is the Interquartile range (IQR) of this data? 

2.5

400

Find the MAD: 5, 15, 20, 25, 5

7.2

400
Find the Mean. 86, 24, 65, 65, 24, 24
Mean = 48
400

Look at the dot plot on the board.


What was the most common time or times people took to eat breakfast?

0 and 10 minutes

400
Find the Median, Mode, & Range. 32, 23, 22, 33, 33, 23, 32, 23, 22
Median = 23 Mode = 23 Range = 11
400

Make a box plot for the following data set:


4, 6, 7, 8, 9, 10, 12, 15

Have Ms. Giunta check your work 
500

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

2.16 / 2.2

500
Find the Mean. 32, 23, 22, 33, 33, 23, 32, 23, 22
Mean = 27
500

Look at the histogram on the board

How many more houses were between 100 - 150 square meters than between 250-300 square meters?

6

500
Define: Median Mode & Range
Median : Middle Number Mode: Appears the most Range: The distance the data set covers
500

Make a box plot for the following information


10, 12, 15, 20, 24

Have Ms. Giunta check your work