here are the shoe sizes of some grade 9 and grade 12 students. grade 9 shoe sizes: 6, 8, 6.5, 75, 7, 6.5, 9, 6, 8.5, 7.5, 8, 10, 11, grade 12 shoe sizes: 8.9 10, 9, 10.5, 8.5, 10, 9, 9.5, 8, 8, 11, 9, 9.5, 11. 10.5, 8.5 a. create a box plot or histogram to represent both sets of data. b. complete the table grade 9 shoe sizes grade 12 shoe sizes mean median iqr c. does one grade shoe sizes have more variation than the other? explain how you know.