User Guide

Chapter 13: Inferential Statistics and Distributions 218
Inferential Stat Editors
Displaying the Inferential Stat Editors
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.
Using an Inferential Stat Editor
To use an inferential stat editor, follow these steps.
8. Press y = ~ to display the
DISTR DRAW
menu.
9. Press Í to open a wizard for the input of the
ShadeNorm( parameters.
10. Enter
175 Ë 5448205 for the lower bound and
press †. Enter
1 y D 99 for the upper bound
and press †. Enter the mean m of
165 Ë 1 for the
normal curve and press †. Enter a standard
deviation s of
6 Ë 35.
11. Press † to select
Draw and then press Í to
plot and shade the normal curve.
Area is the area above the 95th percentile. low is
the lower bound.
up is the upper bound.