What is the means-to-MAD ratio of the two data sets, expressed as a decimal to the nearest tenth?
Data Set 1: {14, 18, 21, 15, 17}
Data Set 2: {15, 17, 22, 20, 16}
Data Set 1: {14, 18, 21, 15, 17}
Data Set 2: {15, 17, 22, 20, 16}