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Statistics 1Var app 217
Plotting
You can plot:
• Histograms
• Box-and-Whisker plots
• Normal Probability plots
• Line plots
• Bar graphs
• Pareto charts
Once you have entered your data and defined your data
set, you can plot your data. You can plot up to five box-
and-whisker plots at a time; however, with the other types,
you can only plot one at a time.
To plot statistical
data
1. In the Symbolic view, select the data sets you want to
plot.
2. From the
Plotn menu, select the plot type.
3. For any plot, but especially for a histogram, adjust the
plotting scale and range in the Plot Setup view. If you
find histogram bars too fat or too thin, you can adjust
them by changing the HWIDTH setting. (See “Setting
up the plot (Plot Setup view)” on page 219.)
4. Press
P. If the scaling is not to your liking, press
V and select Autoscale.
Autoscale can be relied upon to give a good
starting scale which can then be adjusted, either
directly in the Plot view or in the Plot Setup view.
Plot types
Histogram The first set of numbers
below the plot indicate
where the cursor is. In the
example at the right, the
cursor is in the bin for
data between 5 and 6
(but not including 6),
and the frequency for