Plot Setup Options; Box And Whisker Graphs - HP 39g Master Manual

Plot Setup options

The setting of Statplot controls what type of
graph is drawn. There two choices are Hist
(short for histogram) or BoxW (Box and
Whisker). Pressing the + key while Statplot is
highlighted will switch between these two, or
you use the
that pops up.

Box and whisker graphs

Unlike histograms, it is possible to have more
than one box and whisker graph plotted. This
makes comparisons between data sets very
easy. If you look for the cursor (circled) in the
diagram shown right, you will see that when
is turned on then information about the
graph is given at the bottom of the screen. As
usual the up/down arrows change from graph
to graph, while the left/right arrows move within
the graph.
As an aside, pressing the
and . They all behave in the normal manner. The
be quite useful by displaying at the bottom of the screen information on which
columns make up each graph if you lose track.
Looking again at the screen shot of the first page of PLOT SETUP (near the
top of the previous page) you will see that there are three ranges. As with
the Parametric and Polar aplets, XRange and YRange control how much of
the graph is seen. If your histogram has frequencies of (say) up to 30 then
you need to make sure your YRange reaches at least that value or the top of
the histogram will be cut off. In the same way, if your data has a minimum
value of -5 and a maximum of 35 then your XRange will need to cover at
least that range of values. Using VIEWS Auto Scale generally produces very
satisfactory results.
key to pick from the menu
key produces the normal tools of
126
,
tool can