Each year America. EDU ranks the best paying college degrees in America. The following data show the median starting salary, the mid-career salary, and the percentage increase from starting salary to mid-career salary for the college degrees with the highest mid-career salary (America. EDU website, August 29, 2013).Click on the datafile logo to reference the data. a. Using a class width of , select a histogram for the percentage increase in the starting salary.1. 2. 3. 4. b. Comment on the shape of the distribution. The histogram is slightly .c. Develop a stem-and-leaf display for the percentage increase in the starting salary. If answer is zero enter "".d. What are the primary advantages of the stem-and-leaf display as compared to the histogram