# Which of the following statements is true about standard deviation

Asked by wiki @ in **Advanced Placement (AP)** viewed by 503 People

Which of the following statements about standard deviation is true?

A. Standard deviation is always a non-negative number.

B. Standard deviation is resistant to outliers.

C. Standard deviation measures the typical distance data points in a distribution are from the median.

D. Regardless of what units the data are in, standard deviation has no units.

E. If the data is measured in hours, standard deviation would be measured in hours squared.