HP 40G manual Getting started with the Inference aplet, Open the Inference aplet

Getting started with the Inference aplet

Open 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.

1.Open the Inference aplet.

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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	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: ∝1 – ∝2, the	Z–Int: ∝1 – ∝2, the confidence
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: P1 – P 2, the	Z–Int: P 1 – P 2, the confidence
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: ∝1– ∝2, the	T–Int: ∝1 – ∝2, the confidence
T–Test on the	interval for the difference of two
difference of two	means, based on the Student’s
means	t–distribution

9-2 Inference aplet