Twenty students were randomly selected from a business statistics course and were asked to report the number of times that they had eaten a meal at the university's cafeteria within the past month. Below are the values reported:
7, 8, 10, 11, 8, 6, 10, 9, 9, 8, 13, 12, 8, 11, 11, 14, 8, 7, 10, 12

-What is the mean?
A)8
B)9.6
C)9.5
D)10.5
E)9

Question

Twenty students were randomly selected from a business statistics course and were asked to report the number of times that they had eaten a meal at the university's cafeteria within the past month. Below are the values reported:
7, 8, 10, 11, 8, 6, 10, 9, 9, 8, 13, 12, 8, 11, 11, 14, 8, 7, 10, 12

-What is the mean?
A)8
B)9.6
C)9.5
D)10.5
E)9

Quizplus · Accepted Answer

To find the mean, we add up all the values and divide by the number of values. 
(7+9+10+12+10)/5 = 48/5 = 9.6. 
Therefore, the best choice is B, which is the exact value of the mean.

Twenty Students Were Randomly Selected from a Business Statistics Course