Plotting - HP NW280-200X User Manual

Plotting

To plot statistical
data
Statistics 1Var app
example, for the data set {3,5,7,8,15,16,17}only
the first three items—3, 5, and 7—are used to calculate
Q1, and only the last three terms—5, 16, and 17—are
used to calculate Q3.
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.
1. In the Symbolic view, select the data sets you want to
plot.
2. From the
Plotn
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 197.)
4. Press . If the scaling is not to your liking, press
P
and select Autoscale.
V
Autoscale can be relied upon to give a good
starting scale which can then be adjusted in the Plot
Setup view.
menu, s elect the plot type.
195