

1. 
Find the mode of {325, 100, 115, 621, 325, 325, 100}. 


A. 
325 
B. 
273 


C. 
115 
D. 
100 


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. 
100 
D. 
80 


Hint 


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


A. 
middle number 
B. 
most frequent 


C. 
highest number 
D. 
arithmetic average 


Hint 


4. 
Find the mean of {15, 7, 9, 25, 4}. 


A. 
12 
B. 
9 


C. 
10 
D. 
13 


Hint 


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


A. 
highest number 
B. 
most frequent number 


C. 
arithmetic average 
D. 
middle number 


Hint 


