Graphing Your Data
Once you have the median number of passengers for each type of power,
make a bar graph to show the relationship of these numbers. Use
Worksheet #3: Graphing Data.
On the vertical side of your graph,
write the label "median number of passengers." Choose a scale that
will include all the numbers you have shown. On the bottom of the
horizontal side of your graph, write the label "type of excursion
boat." Write the labels "Steam," "Sail," and "Diesel" along this
side of the graph. Now find the point on the vertical side of your
graph that represents the median number of passengers each type of
power carried. Draw a line across the appropriate part of the
graph for each type of power. Fill in a rectangle below the line you
drew in a different color for each power type. These colored bars
represent the median numbers of passengers carried by each power type.
The bars make it easy to compare these numbers. Now write a title
for your graph. A title for a graph always includes information about
the categories and numbers being compared. Your title should mention
the labels for both your graph's axes.
After you have finished your graph, write a mix and match statement
telling the relationship between power type and number of passengers
carried. Choose the appropriate words from the mix and match
sentence below based on your graph and write it on the space provided
on Worksheet #3.
Steam powered boats carried ___________ passengers.
Sail powered boats carried ______________ passengers.
Diesel powered boats carried ____________ passengers.
the least
Now complete Worksheet #3, Graphing Data.
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