Question: Compute the standard deviation by the short method for the following data
11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21
Solution:

Question: Compute the standard deviation by the short method for the following data
11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21
Solution: