The data modeled by the box plots represent the battery life of two different brands of batteries that Mary. Battery Life: Brand X: 11, 10, 12, 13, 14, 15, 16, 17, 18. Brand Y: 11, 10, 12, 13, 14, 15, 16, 17, 18. (a) What is the median value of each data set? (b) Compare the median values of the data sets. What does this comparison tell you in terms of the situation the data represent?
