Name: 
 

Chapter 7 Test



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
 
Find the value of x.
 

 1. 

Mean is 7; 9, 7, 6, 3, 9, x
a.
7.5
c.
9
b.
14
d.
8
 

 2. 

Median is 18; 14, 15, x, 19, 22, 29
a.
15
c.
17
b.
9
d.
18
 

Numeric Response
 
 
Find the value of x.
 

 1. 

Mean is 0; –11.5, –6, 4, 6.5, x

 

 2. 

Median is 43; 34, 36, x, 68

 

Short Answer
 

 1. 

The box-and-whisker plots show the monthly car sales for a year for two sales representatives. Compare and contrast the sales of the two representatives.

sa001-1.jpg
sa001-2.jpg Cars sold
 

 2. 

In what type of relationship do both data sets increase?
 
 
Tell whether the data show a positive, a negative, or no relationship.
 

 3. 

sa003-1.jpg
 

 4. 

Can more than one display be appropriate for a data set? Explain.
 
 
Choose an appropriate data display for the situation. Explain your reasoning.
 

 5. 

results of a survey asking students if they are going on vacation
 

 6. 

results of a survey asking students what type of shows they watch on television where they could give more than one answer
 
 
Explain why the data display is misleading.
 

 7. 

sa007-1.jpg
 



 
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