Question

The science club took a survey to see how many hours each member in the club worked on a science project. The table below

shows the results of the survey.
Students Hours
Greta
16
Juan
14
Mika
20
Paulo
18
Su-Lin
16
Tanika
31
Darnell
13
Wesley
24
What is the mean (average) number of hours the students worked on the science project?
OA. 21
OB. 19
OC. 20
18

Answer 1

Answer: 19

Explanation:

To find an average, you take each of your values, add them, and then divide by the numbers of values you have. There were 8 students interviewed, so your total numbers of values is 8.

Addition: 16 + 14 + 20 + 18 + 16 + 31 + 13 + 24 = 152

Division: 152 ÷ 8 = 19