Question

12, 14, 14, 10, 5
the number of games played by 5 friends after school is shown above.
determine the mean of the set of data.
a. 9
b. 10
c. 11
d. 14

Explanation:

Step1: Sum all data values

$12 + 14 + 14 + 10 + 5 = 55$

Step2: Divide sum by data count

$\frac{55}{5} = 11$

Answer:

C. 11