

1. 
Refer to the set of data below. If 15 were removed from the set of data, which values would change? 





A. 
range and mean 
B. 
mode 


C. 
range 
D. 
mean, median, and range 


Hint 


2. 
Find the median of {55, 21, 21, 69, 71}. 


A. 
71 
B. 
55 


C. 
21 
D. 
47.4 


Hint 


3. 
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam in order to have a mean of 80? 


A. 
93 
B. 
80 


C. 
97 
D. 
100 


Hint 


4. 
Find the median of {67, 24, 98, 15, 76, 44}. 


A. 
54 
B. 
67 


C. 
55.5 
D. 
44 


Hint 


5. 
The median is the __________ of a set of numbers. 


A. 
arithmetic average 
B. 
most frequent number 


C. 
highest number 
D. 
middle number 


Hint 


