Question

1. 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

1. 3¢, 3¢, 3¢, 3¢, 5¢, 5¢, 5¢, 5¢

the price of eight different pencils at the school store is shown above.
determine the mean price of these pencils.
a. 2¢ b. 3¢ c. 4¢ d. 5¢

Explanation:

Step1: Sum all game values

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

Step2: Calculate mean for games

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

Step3: Sum all pencil prices

$(3 \times 4) + (5 \times 4) = 12 + 20 = 32$

Step4: Calculate mean for pencils

$\text{Mean} = \frac{32}{8} = 4$

Answer:

1. C. 11
2. C. 4¢