Given the following scores on a midterm exam 72, 89, 91, 90, 100, 68, 80,76, 78,94,94,90,84,86,88,87,92,96,74,93, find the best answer to the following questions.
-Calculate the mean of the scores.
A) 83
B) 86
C) 90
D) 92

Question

Quizplus · Accepted Answer

To find the mean, we sum up all the scores and divide by the total number of scores.

Sum of scores = 72+89+91+90+100+68+80+76+78+94+94+90+84+86+88+87+92+96+74+93 = 1718

Total number of scores = 20

Mean = Sum of scores / Total number of scores = 1718 / 20 = 85.9, which rounds up to 86.

Therefore, the correct choice is B.

Given the Following Scores on a Midterm Exam 72, 89