Mathematics
Choose the two data sets that have equal standard deviations.Data set A: 40, 50, 60, 60, 70, 80Data set B: 90, 95, 100, 105, 110Data set C: 50, 55, 60, 65, 70Data set D: 33, 54, 54, 60, 74Find the two data sets that have the same standard deviation. Select all that apply.