Data set A: 8,11,12,15,21,27 Data set B: 9,12,13,16,22,h
Data sets A and B each consist of 6 values as shown, where h is a constant. If the standard deviation of data set A is greater than the standard deviation of data set B, which of the following could be the value of h?
I. 23
II. 28
III. 29