Compute the Standard Deviation of a Variable from Raw Data
-8, 19, 20, 13, 14, 18, 19, 5, 10, 23
A) 5.9
B) 5.5
C) 1.7
D) 5.4

Question

Quizplus · Accepted Answer

The standard deviation is calculated by finding the square root of the variance. First, find the mean of the data set, then calculate the squared differences from the mean, find their average, and finally take the square root. The correct standard deviation for this data set is approximately 5.9.