2) (40 points - 30 minutes) To assist her in her work for a retailer who is contemplating opening several new stores, a consultant assembled from the 2019 American Community Survey the following data on the number of years of schooling of the 60,456 individuals 25 years of age and over residing in the city of Somerville, MA: 0 to 9 years 9 to 12 years 12 to 14 years 14 to 17 years 17 to 26 years Frequency 2897 2227 15189 20700 19443 a) Sketch the histogram corresponding to this sample. b) Determine the mean numbers of years of schooling of individuals 25 years of age and over residing in Somerville, MA. c) If the minimum number of years of schooling in this population is 7 years and the maximum is 24 years, sketch the box plot corresponding to the sample