13-6 Inferential Statistics and Distributions
8313INFE.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:47 PM Printed: 02/19/01 1:38 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 (ƒ, <, 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