Question 8 Assume that a data set A has a mean of 74 with a standard deviation of 14.8 and a set B has a mean of 20 with a standard deviation of 8: Which is the correct statement on comparing variability? O The data set A has more variability since the ratio of 74/14.8 = 5 is larger than the ratio of 20/8 = 2.5(in B). O The data set A has more variability since the standard deviation 14.8 is larger than 8 (in B). O The data set B has more variability since the ratio of 8/20 = 0.4 is larger than the ratio of 14.8/74 = 0.2 (in A). O The data set B has more variability since the mean 20 is smaller than 74 (in A). O The variability cannot be compared by the given information