i.Ready - 6.32 - Mean Absolute Deviation

Mean

100

24, 16, 32, 25, 25

24.4

200

15, 15, 17, 22, 19, 15 (round to the tenths)

17.2

300

322, 300, 468, 305

348.75

400

6.4, 7.2, 8.4, 9.5, 7.1, 12.42 (round to the tenths)

8.5

500

26.1, 14, 22.18, 30, 30.4, 49.6, 30 (round to the tenths)

28.9

M.A.D.

100

15, 17, 23, 19

2.5

200

9, 7, 4, 13, 12

2.8

300

11, 20, 38, 5, 4

10.72

400

57, 35, 9, 57, 2, 44 (round to the hundredths)

19

500

76.8, 68.7, 37.6, 57.9, 57.1

10.5

Vocab. / General

100

What is another word for 'mean'?

average

200

What kind of display can be used to find the mean?  

(pick ALL that apply)

a) Dot Plot        b) Frequency Table 

c) Box Plot        d) List of Data Values    e) Histogram

a) Dot Plot        b) Frequency Table        

d) List of Data Values

300

What does the 'D' stand for in M.A.D.?

deviation

400

Complete the sentence: 

"You've already found the Mean. To find the M.A.D., you first need to know each number's ________ _____ ____ _______."

distance from the mean

500

What would the difference in the M.A.D. be for a:

CONSISTANT Data Set vs. NOT CONSISTANT Data Set

CONSISTANT Data Set :  M.A.D. is Small

NOT CONSISTANT Data Set:  M.A.D. is Big