Getting Started With The Inference Aplet - HP 40G User Manual

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Getting started with the Inference aplet

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.
Open the
1. Open the Inference aplet.
Inference aplet
Select Inferential
TU6SU—
The Inference aplet opens
in the Symbolic view.
Inference aplet's SYMB view keys
The table below summarizes the options available in
Symbolic view
Hypothesis Tests
Z: 1 µ, the Z–Test
on 1 mean
Z: µ
Z–Test on the
difference of two
means
Z: 1 P, the Z–Test
on 1 proportion
Z: P
Z–Test on the
difference in two
proportions
T: 1 µ, the T–Test
on 1 mean
T: µ
T–Test on the
difference of two
means
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Confidence Intervals
Z–Int: 1 µ, the confidence
interval for 1 mean, based on the
Normal distribution
– µ Z–Int: µ – µ
, the , the confidence
1 2 1 2
interval for the difference of two
means, based on the Normal
distribution
Z–Int: 1 P, the confidence
interval for 1 proportion, based
on the Normal distribution
– P , the Z–Int: P – P , the confidence
1 2 1 2
interval for the difference of two
proportions, based on the Normal
distribution
T–Int: 1 µ, the confidence
interval for 1 mean, based on the
Student's t–distribution
T–Int: µ – µ
–µ , the , the confidence
1 2 1 2
interval for the difference of two
means, based on the Student's
t–distribution
Inference aplet