Use the following data sets to answer questions 2-3. The data sets all have the same mean. Data Set 1: 10, 12, 14, 16, 18
Data Set 2: 12, 13, 14, 15, 16
Data Set 3: 9, 13, 15, 16, 18
Data Set 4: 8, 10, 14, 18, 20
Which data set has the greatest MAD?

Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.5; upper quartile: 42 lower quartile: 14; median: 27; upper quartile: 46 lower quartile: 18; median: 27; upper quartile: 38 lower quartile: 16; median: 29.5; upper quartile: 42