Texas Instruments TI-89 Manual Book page 282

Note: For an example of
using Freq, Category, and
Include Categories, refer to
page 270.
Note: Any undefined data
points (shown as undef ) are
ignored in a stat plot.
Selecting or
Deselecting a Plot
Copying a Plot
Definition
Note: If the original plot was
selected (Ÿ), the copy is
also selected.
Clearing a Plot
Definition
Item Description
Type the column number that contains a "weight"
Freq
value for each data point. If you do not enter a
column number, all data points are assumed to
have the same weight (
Type the column number that contains a category
Category
value for each data point.
If you specify a
Include
Categories the calculation to specified category values. For
example, if you specify {
data points with a category value of
5. Press ¸ (after typing in an input box, press ¸ twice).
The Plot Setup screen is
redisplayed.
The plot you just
defined is automatically
selected for graphing.
Notice the shorthand
definition for the plot.
, highlight the plot and press † to toggle it on or off.
From
Plot Setup
If a stat plot is selected, it remains selected when you:
¦
Change the graph mode. (Stat plots are not graphed in 3D mode.)
¦
Execute a command.
Graph
¦
Open a different variable in the Data/Matrix Editor.
From :
Plot Setup
1. Highlight the plot and
press „.
2. Press B and select the
plot number that you
want to copy to.
3. Press ¸.
, highlight the plot and press .... To redefine an
From
Plot Setup
existing plot, you do not necessarily need to clear it first; you can
make changes to the existing definition. To prevent a plot from
graphing, you can deselect it.
).
1
, you can use this to limit
Category
}, the plot uses only
1,4
Plot Type = Scatter
Mark = Box
Chapter 16: Statistics and Data Plots
1 or 4 .
y = c2
x = c1
265