

1. 
Find the mean of {3, 8, 10, 1, 25}. 


A. 
1 
B. 
9 


C. 
8 
D. 
9.4 


Hint 


2. 
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. 
80 
D. 
100 


Hint 


3. 
The mean is the _______ of a set of numbers. 


A. 
arithmetic average 
B. 
middle number 


C. 
highest number 
D. 
most frequent 


Hint 


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


A. 
54 
B. 
44 


C. 
55.5 
D. 
67 


Hint 


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


A. 
arithmetic average 
B. 
middle number 


C. 
most frequent number 
D. 
highest number 


Hint 


