Data set A: 68, 70, 71, 73, 74, 77
Data set B: 9,9,13,15,20,23
Data set C: 8, 9, 10, 10, 10, 12
Above are three different data sets. Without calculating anything, decide which set A, B, or C has the larger standard deviation. Just enter the letter of the data set as your answer.