6) A professor asks his College Algebra class of 35 students to write down on a piece of paper how many minutes they spent working on the homework assignment he just collected. The data set is below. Use limit grouping with a first class of 20-22 and a class width of 3 to determine a frequency distribution, a relative frequency distribution, and histograms for both.

44 27 31 36 40 38 32

31 30 34 26 45 24 40

34 30 43 22 37 26 31

42 31 24 35 25 29 34

35 35 34 20 42 34 27

7) Use the data set from #6 to construct a dot plot.

8) Use the data set from #6 to construct a stem-and-leaf diagram.