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. 115, 185, 170, 175, 145
A) 178.7750
B) 2514060
C) 28.1957
D) 1482 1
19) Which of the following is a measure of the variablity of a distribution?
A) skewness
B) sample size
C) median
D) range