HP Prime Graphing NW280AAABA Select the inference method Enter data, Test 1 μ from the Type menu

Select the inference method

Enter data

2.Hypothesis Test is the default inference method. If it is not selected, tap on the Method field and select it.

3.Choose the type of test. In this case, select

Z–Test: 1 μ from the Type menu.

4.Select an alternative hypothesis. In this case, select μ< μ0 from the Alt Hypoth menu.

5.Go to Numeric view to see the sample data.

M

The table below describes the fields in this view for the sample data.

Field name Definition

xSample mean

nSample size

μ0 Assumed population mean

σPopulation standard deviation

αAlpha level for the test

Inference app 241