The amount of time (in hours) that Sam studied for an exam on each of the last five days is given below. Find the mean study time. $$\begin{array} { l l l l l }
1.5 & 8.3 & 6.9 & 1.8 & 5.3
\end{array}$$
A) 4.96 hr
B) 23.80 hr
C) 4.76 hr
D) 5.45 hr

Question

The amount of time (in hours) that Sam studied for an exam on each of the last five days is given below. Find the mean study time. $$\begin{array} { l l l l l } 
1.5 & 8.3 & 6.9 & 1.8 & 5.3
\end{array}$$
A) 4.96 hr
B) 23.80 hr
C) 4.76 hr
D) 5.45 hr

Quizplus · Accepted Answer

To find the mean, we need to add up all the study times and divide by the number of days, which is 5. Adding up the study times, we get 1.5 + 8.3 + 6.9 + 1.8 + 5.3 = 23.8. Dividing by 5, we get 4.76, which is closest to choice C.

The Amount of Time (In Hours) That Sam Studied for an Exam