Getting Started With The Inference Aplet - HP 39G User Manual

Getting started with the Inference aplet

Open the
Inference aplet
Inference aplet's SYMB view keys
9-2
This example describes the Inference aplet's options and
functionality by stepping you through an example using the
example data for the Z–Test on 1 mean.
1. Open the Inference aplet.
Select Inferential
.
The Inference aplet opens
in the Symbolic view.
The table below summarizes the options available in
.
Symbolic view
Hypothesis Tests Confidence Intervals
Z: 1 , the Z–Test Z–Int: 1 , the confidence
on 1 mean interval for 1 mean, based on the
Normal distribution
Z: – , the Z–Int:
1 2
Z–Test on the interval for the difference of two
difference of two means, based on the Normal
means distribution
Z: 1 P, the Z–Test Z–Int: 1 P, the confidence
on 1 proportion interval for 1 proportion, based
on the Normal distribution
Z: P – P , the Z–Int: P
1 2
Z–Test on the interval for the difference of two
difference in two proportions, based on the Normal
proportions distribution
T: 1 , the T–Test T–Int: 1 , the confidence
on 1 mean interval for 1 mean, based on the
Student's t–distribution
T: – , the T–Int:
1 2
T–Test on the interval for the difference of two
difference of two means, based on the Student's
means t–distribution
– , the confidence
1 2
– P , the confidence
1 2
– , the confidence
1 2
Inference aplet