Using The Y= Editor With Stat Plots - Texas Instruments TI-89 Manual Book

Using the Y= Editor with Stat Plots

Showing the List of
Stat Plots
Note: Plots defined with
column numbers always use
the last data variable in the
Data/Matrix Editor, even if
that variable was not used
to create the definition.
Note: You can not use
TI-89: 2 ˆ
TI-92 Plus: ˆ
to set a plot's display style.
However, the plot definition
lets you select the mark
used for the plot.
To Graph Plots and
Y= Functions
268 Chapter 16: Statistics and Data Plots
The previous sections described how to define and select stat
plots from the Data/Matrix Editor. You can also define and
select stat plots from the Y= Editor.
Press ¥ # to display the Y= Editor. Initially, the nine stat plots are
located "off the top" of the screen, above the
However, the indicator provides some information.
PLOTS
For example, PLOTS 23
means that Plots 2 & 3
are selected.
To see the list of stat plots, use C to scroll above the
If a Plot is highlighted, this
shows the data variable that
will be used for the plots.
If a Plot is defined, it shows
the same shorthand
notation as the Plot Setup
screen.
From the Y= Editor, you can perform most of the same operations on
a stat plot as you can on any other
To: Do this:
Highlight the plot and press .... You will see the
Edit a plot
definition same definition screen that is displayed in the
Data/Matrix Editor.
Highlight the plot and press †.
Select or deselect
a plot
Press ‡ and select the applicable item. You
Turn all plots
and/or functions can also use this menu to turn all functions on.
off
As necessary, you can select and graph stat plots and
at the same time. The preview example at the beginning of this
chapter graphs data points and their regression equations.
functions.
y(x)
y(x)
function.
y(x)
y(x)
functions.
functions