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Chapter 7 - Assessment

Short Answer
 
 
Find the mean, median, and mode of the data.
 

 1. 


Golf Scores
–2
2
3
1
6
–2
–1
–1
–1
3
0
4
 

 2. 

Points Scored
Stem
Leaf
4
2  7
5
0  7
6
0  7  7
7
5
Key: 5 | 0 = 50 points
 
 
Make a box-and-whisker plot for the data.
 

 3. 

Hours spent on homework in a week: 9, 2, 5, 11, 7, 3, 6, 13, 5, 6
 

 4. 

Lengths (in inches) of dogs: 11, 21, 17, 17, 21, 11, 6, 30
 

 5. 

Elevations (in feet): 5, 1, 11, 11, –3, –6, –3, 5, 1, 0, –6, 1
 

Other
 

 1. 

Extended Response  The table shows the distance you travel over a 3-hour period.

Hours, x
Distance (miles), y
0.5
37
1
69
1.5
88
2
111
2.5
141
3
159

a.   Make a scatter plot of the data.
b.   Draw a line of best fit.
c.   Write an equation of the line of best fit.
d.   Predict the distance you will travel in 7.5 hours.
 



 
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