As part of a survey,17

college graduates and16

non-graduates were asked, "How many hours did you spend at your job last week?" The results are shown in thestem-and-leaf displaybelow. Answer the questions that follow.

(chart and questions attached)

Number of hours at work Graduates Non-graduates 831 2 2348 8 8 86431 3 12568 99300 4 003479 54 5 8 Key: 21 + 1| 2 12 - 22 (a) What were the ranges for the two groups? Graduates 34 Non-graduates 36 (b) Which group had the higher median number of hours? OGraduates ONon-graduates OThe medians were the same (c) Which group had more responses in the 20s? OGraduates Non-graduates OEach had the same