Solve the problem.
-A class of sixth grade students kept accurate records on the amount of time they spent playing video games during a one-week period. The times (in hours) are listed below: $$\begin{array} { r r r r r }
25.7 & 13.6 & 9.2 & 14.2 & 18.6 \
30.4 & 19.8 & 14.0 & 24.6 & 24.1
\end{array}$$
A) 21.2 hr
B) 18.6 hr
C) 12.1 hr
D) 9.2 hr

Question

Solve the problem.
-A class of sixth grade students kept accurate records on the amount of time they spent playing video games during a one-week period. The times (in hours) are listed below: $$\begin{array} { r r r r r } 
25.7 & 13.6 & 9.2 & 14.2 & 18.6 \
30.4 & 19.8 & 14.0 & 24.6 & 24.1
\end{array}$$
A) 21.2 hr
B) 18.6 hr
C) 12.1 hr
D) 9.2 hr

Quizplus · Accepted Answer

The mean (average) time spent playing video games is calculated by summing all the times and dividing by the number of data points: (25.7 + 13.6 + 9.2 + 14.2 + 18.6 + 30.4 + 19.8 + 14.0 + 24.6 + 24.1) / 10 = 21.22 hours, which rounds to 21.2 hours.

Solve the Problem 25.713.69.214.218.630.419.814.024.624.1\begin{array} { r r r r r } 25.7 & 13.6 & 9.2 & 14.2 & 18.6 \\30.4 & 19.8 & 14.0 & 24.6 & 24.1\end{array}25.730.4​13.619.8​9.214.0​14.224.6​18.624.1​

Solve the Problem $\begin{array} { r r r r r } 25.7 & 13.6 & 9.2 & 14.2 & 18.6 \\30.4 & 19.8 & 14.0 & 24.6 & 24.1\end{array}$