statement is true

Question

Which of the following statements is TRUE?

 A. If all of the data values in a data set are identical, then the standard deviation is 1.

B. The variance is one of the measures indicating approximate center of distribution.

C. The standard deviation is the square root of the variance.

D. The variance can be a negative number.

Answer 1

the answer is c

 

Standard deviation is the square root of the variance