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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Select Inferential

67$57a.

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