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Chapter 8 - Assessment

Short Answer
 
 
Make a stem-and-leaf plot of the data.
 

 1. 

Hours Online
4
8
4
20
10
12
10
2
2
16
19
6
 

 2. 

Test Scores (%)
99
70
70
63
71
96
95
89
81
98
79
63
95
84
62
 
 
Display the data in a histogram.
 

 3. 

Pairs of Shoes Owned
Shoes
Frequency
1-5
15
6-10
18
11-15
4
16-20
2
 

 4. 

On Hold
Minutes
Frequency
0-1
2
2-3
6
4-5
7
6-7
4
8-9
2
 
 
Display the data in a circle graph.
 

 5. 

Season
Rainfall (inches)
Spring
17
Summer
18
Fall
9
Winter
6
 

 6. 

Trucking
Distance (miles)
Route 1
500
Route 2
650
Route 3
650
Route 4
500
Route 5
200
 
 
Which sample is better for making a prediction? Explain.
 

 7. 

Predict the number of students in a school who like water skiing
Sample A
A random sample of 9 students from an assembly
Sample B
A random sample of 50 students from an assembly
 

 8. 

Predict the number of defective parts produced per day
Sample A
A random sample of 550 parts from 22 machines
Sample B
A random sample of 550 parts from 2 machines
 

Other
 

 1. 
Extended Response  A charity had several fundraising activities to raise a total of $9,000.
ot001-1.jpg
a.   Find the amount collected for each fundraiser.
b.   Chocolate chip cookies were ot001-2.jpg of the cookie sales. Find the angle measure of the section that would represent chocolate chip cookie sales on the circle graph.
 



 
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