Find the population standard deviation for the following data set: 20 18 15 12 24
A) 17
B) 4.6
C) 21.2
D) 4.1

Question

Quizplus · Accepted Answer

The population standard deviation is calculated by taking the square root of the average of the squared deviations from the mean. The mean of the data set is 17.8, and the squared deviations are 4.84, 0.04, 7.84, 33.64, and 37.44. The average of these squared deviations is 16.64, and the square root of 16.64 is approximately 4.1.

Find the Population Standard Deviation for the Following Data Set