The scores for a statistics test are as follows: $\begin{array} { l l l l l l l l l l } 73 & 76 & 88 & 77 & 90 & 92 & 98 & 85 & 89 & 89 \end{array}$
$\begin{array} { l l l l l l l l l l } 79 & 79 & 50 & 70 & 85 & 61 & 85 & 74 & 18 & 80 \end{array}$ Compute the mean score.
A)76.90
B)75
C)67.85
D)80.10

Question

Quizplus · Accepted Answer

The mean score is calculated by adding all the scores together and then dividing by the total number of scores. The sum of the scores is 1538 and there are 20 scores in total. $ \frac{1538}{20} = 76.9 $.

The Scores for a Statistics Test Are as Follows 73768877909298858989\begin{array} { l l l l l l l l l l } 73 & 76 & 88 & 77 & 90 & 92 & 98 & 85 & 89 & 89 \end{array}73​76​88​77​90​92​98​85​89​89​

The Scores for a Statistics Test Are as Follows $\begin{array} { l l l l l l l l l l } 73 & 76 & 88 & 77 & 90 & 92 & 98 & 85 & 89 & 89 \end{array}$