

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





A. 
range 
B. 
mean, median, and range 


C. 
range and mean 
D. 
mode 


Hint 


2. 
Find the mode of {325, 100, 115, 621, 325, 325, 100}. 


A. 
115 
B. 
325 


C. 
100 
D. 
273 


Hint 


3. 
Find the median of {55, 21, 21, 69, 71}. 


A. 
21 
B. 
55 


C. 
71 
D. 
47.4 


Hint 


4. 
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. 
97 
B. 
93 


C. 
100 
D. 
80 


Hint 


5. 
Find the mode of {2, 2, 3, 9, 7, 9, 3, 7, 3}. 


A. 
7 
B. 
3 


C. 
2 
D. 
5 


Hint 


