

1. 
Find the mean of the set of data {67, 90, 83, 85, 73, 80, 78, 79, 68, 71}. 


A. 
77.4 
B. 
75.2 


C. 
76.9 
D. 
82.2 


Hint 


2. 
Construct a stemandleaf plot for the data {67, 90, 83, 85, 73, 80, 78, 79, 68, 71}. 


A. 



B. 



C. 



D. 



Hint 


3. 
Find the value of x so that the mean of {3, 5, 7, 8, x} is 9. 


A. 
22 
B. 
26 


C. 
21 
D. 
27 


Hint 


4. 
Find the set of data that is bimodal. 


A. 
14, 12, 19, 15, 16, 18, 11 


B. 
12, 16, 13, 15, 19, 16, 19 


C. 
12, 13, 16, 19, 18, 15, 16 


D. 
13, 13, 16, 15, 14, 18, 17 


Hint 


5. 
Use the frequency distribution below of the number of points that a girl's basketball team scored throughout the season to estimate the mean. 





A. 
61 
B. 
68 


C. 
63 
D. 
65 


Hint 

