

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. 
mean, median, and range 


C. 
range 
D. 
mode 


Hint 


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


A. 
8 
B. 
9 


C. 
1 
D. 
9.4 


Hint 


3. 
Find the mode of {325, 100, 115, 621, 325, 325, 100}. 


A. 
273 
B. 
100 


C. 
115 
D. 
325 


Hint 


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


A. 
7 
B. 
3 


C. 
5 
D. 
2 


Hint 


5. 
Ben races motorcycles for fun. So far, his lap times, in seconds, are 32, 35, 33, and 32. What time must Ben get on his final lap for his average lap time to be 32.6? 


A. 
33 
B. 
32 


C. 
31 
D. 
32.6 


Hint 


