Question

What is the standard deviation of the data set given below?

4, 7, 8, 9, 12
O A. -2.5
O B. 18.5
O c. 6.8
O D. 76.8
E. 2.5
O F. 8.5

Answer 1

The answer is 2.6 but that's not listed as an option so try 2.5?