13–6 Inferential Statistics and Distributions
8250FC~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:39 PM Printed: 10/27/05 2:57
PM Page 6 of 36
When you select a hypothesis test or confidence interval
instruction from the home screen, the appropriate inferential
statistics editor is displayed. The editors vary according to each
test or interval’s input requirements. Below is the inferential stat
editor for
T.Test.
Note: When you select the ANOVA( instruction, it is pasted to the
home screen. ANOVA( does not have an editor screen.
To use an inferential stat editor, follow these steps.
1. Select a hypothesis test or confidence interval from the STAT
TESTS
menu. The appropriate editor is displayed.
2. Select Data or Stats input, if the selection is available. The
appropriate editor is displayed.
3. Enter real numbers, list names, or expressions for each
argument in the editor.
4. Select the alternative hypothesis (
Æ’, <, or >) against which to
test, if the selection is available.
5. Select
No or Yes for the Pooled option, if the selection is
available.
6. Select
Calculate or Draw (when Draw is available) to
execute the instruction.
• When you select
Calculate, the results are displayed on
the home screen.
• When you select
Draw, the results are displayed in a
graph.
This chapter describes the selections in the above steps for each
hypothesis test and confidence interval instruction.
Inferential Stat Editors
Displaying the
Inferential Stat
Editors
Using an
Inferential Stat
Editor
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