

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. 
mode 


C. 
mean, median, and range 
D. 
range 


Hint 


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


A. 
9.4 
B. 
9 


C. 
8 
D. 
1 


Hint 


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


A. 
71 
B. 
47.4 


C. 
21 
D. 
55 


Hint 


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


A. 
10 
B. 
13 


C. 
9 
D. 
12 


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. 
31 
B. 
32.6 


C. 
32 
D. 
33 


Hint 


