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 standard deviation of the scores.
A) 4.6
B) 6.8
C) 8.7
D) 9.4

Question

Quizplus · Accepted Answer

The standard deviation is calculated by finding the square root of the variance. The variance is the average of the squared differences from the mean. For these scores, the standard deviation is approximately 8.7.

Given the Following Scores on a Midterm Exam 72, 89