Select the inferential method

Enter data

2.Select the Hypothesis Test inferential method.

Select HYPOTH TEST

3.Define the type of test.

Z–Test: 1 ∝

4.Select an alternative hypothesis.

∝< ∝0

5.Enter the sample statistics and population parameters.

setup-NUM

The table below lists the fields in this view for our current Z-Test:1 ∝ example.

Field

Definition

name

 

 

 

 

 

∝0

Assumed population mean

σ

Population standard deviation

 

 

 

Sample mean

x

n

Sample size

α

Alpha level for the test

 

 

 

 

Inference aplet

9-3