Name: 
 

Chapter 9 - Review


Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
 
Find the mean of the data.
 

 1. 

Goals Made
Player 1
|
Player 2
| | | |
Player 3
| | | |
Player 4
| | | |
Player 5
0
a.
0.8
c.
2.8
b.
2.4
d.
2.6
 

 2. 
mc002-1.jpg
a.
4.5
c.
6.4
b.
7.8
d.
2
 
 
Find the median of the data.
 

 3. 
7, –5, –4, 2, –2
a.
7
c.
–2
b.
–5
d.
–4
 

 4. 
5, –5, 14, 0, 21, 16, –4, –16
a.
0.5
c.
0
b.
5
d.
2.5
 
 
Find the mode of the data.
 

 5. 

Favorite Type of Music
Hip Hop
Country
Pop
Hip Hop
Pop
Hip Hop
Country
Rock
Country
Pop
Rock
Pop
Rock
Rock
Hip Hop
Hip Hop
Rock
Hip Hop
a.
Rock
c.
Pop
b.
Hip Hop
d.
Country
 
 
Find the range of the data.
 

 6. 
89, 22, 83, 16, 114, 32, 28, 94, 25
a.
98
c.
92
b.
32
d.
78
 
 
Find the range, interquartile range, and mean absolute deviation of the data.
 

 7. 
83, 87, 15, 107, 88, 11, 13
a.
range mc007-1.jpg
IQR mc007-2.jpg
MAD mc007-3.jpg
c.
range mc007-7.jpg
IQR mc007-8.jpg
MAD mc007-9.jpg
b.
range mc007-4.jpg
IQR mc007-5.jpg
MAD  mc007-6.jpg
d.
range mc007-10.jpg
IQR mc007-11.jpg
MAD mc007-12.jpg
 
 
Find and interpret the mean absolute deviation of the data. Round your answer to the nearest tenth, if necessary.
 

 8. 

Number of Attendees at the Middle School Football Game
102
116
135
151
184
178
111
123
149
109
a.
22.3
c.
135.8
b.
23.6
d.
23.8
 

 9. 

Cost of Video Games
(dollars)
37
60
26.5
57
53.5
24.5
41.5
41.5
a.
10.6
c.
12.6
b.
10.3
d.
42.7
 

Other
 

 1. 
Extended Response  The following scores are awarded by the judges in a diving competition.
5.4, 9.3, 8.5, 8.2, 8.6, 8.3, 9.8
The highest and lowest scores are dropped. How are the mean, median, mode, and range of the scores affected?
 



 
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