

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





A. 
range 
B. 
range and mean 


C. 
mean, median, and range 
D. 
mode 


Hint 


2. 
Find the mean of {3, 8, 10, 1, 25}. 


A. 
9 
B. 
8 


C. 
1 
D. 
9.4 


Hint 


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


A. 
47.4 
B. 
21 


C. 
71 
D. 
55 


Hint 


4. 
Find the mode of {2, 2, 3, 9, 7, 9, 3, 7, 3}. 


A. 
3 
B. 
7 


C. 
5 
D. 
2 


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 


