http://www.wisc-online.com/objects/ViewObject.aspx?ID=TMH1101
Use the info for that plot to get intervals $15-19, $20-24, and so on to get your information for a bar graph.
The following are the amounts (to the nearest dollar)
paid by 25 students for textbooks during the fall term:
a. Draw an ordered stem and leaf plot to illustrate the
data.
b. Construct a grouped frequency table for the data,
starting the first class at $15.00 with intervals of
$5.00 each.
c. Draw a bar graph of the data.
45 37 62 30 23
48 41 49 62 40
33 39 23 53 51
42 50 16 58 39
35 42 37 60 50
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