chloeehaack102 chloeehaack102 02-01-2023 Mathematics Answered Number of classes: 5 data set: number of students per faculty member for public colleges. 13 15 15 8 16 20 28 19 18 15 21 23 30 17 10 16 15 16 20 15 what is the value of the 1st upper-class limit?