The top speeds for a sample of five new automobiles are listed below. Calculate the standard deviation of the speeds. Round to four decimal places. 180, 100, 195, 130, 155
A) 38.1772
B) 243.3465
C) 174.0675
D) 137.11

Question

Quizplus · Accepted Answer

To calculate the standard deviation, first find the mean of the speeds, then calculate the variance by finding the average of the squared differences from the mean, and finally take the square root of the variance. The standard deviation is approximately 38.1772.

The Top Speeds for a Sample of Five New Automobiles