Overview Of Steps In Statistical Analysis - Texas Instruments TI-89 Manual Book

Overview of Steps in Statistical Analysis

Calculating and
Plotting Stat Data
Note: Refer to Chapter 15
for details on entering data in
the Data/Matrix Editor.
Tip: You can also use the
Y= Editor to define and
select stat plots and y(x)
functions.
Tip: Use ZoomData to
optimize the viewing
window for stat plots.
„ Zoom is available on the
Y= Editor, Window Editor,
and Graph screen.
Exploring the
Graphed Plots
258 Chapter 16: Statistics and Data Plots
This section gives an overview of the steps used to perform a
statistical calculation or graph a statistical plot. For detailed
descriptions, refer to the following pages.
Set Graph mode (3)
to .
FUNCTION
Enter stat data in the
Data/Matrix Editor
(O 6).
Perform stat
calculations to find
stat variables or fit
data to a model (‡).
Define and select stat
plots („ and then ƒ).
Define the viewing
window (¥ $).
Change the graph
format if necessary.
ƒ 9
— or —
TI-89: ¥ Í
TI-92 Plus: ¥ F
Graph the selected
stat plots and
functions (¥ %).
From the Graph screen, you can:
¦
Display the coordinates of any pixel by using the free-moving
cursor, or of a plotted point by tracing a plot.
¦
Use the „
toolbar menu to zoom in or out on a portion of
Zoom
the graph.
¦
Use the ‡
Math toolbar menu to analyze any function (but not
plots) that may be graphed.