Wiki Page, Math 13 - Perez Sandbox : ArtofStat Instructions for Population Mean Hypothesis Test

Wiki Page
2026-01-17T21:14:52-08:00

1. Go to the Art of Stat web apps page.

2. Open the Inference for a Mean app.

3. Close the pop-up window.

4. Change Enter Data pull-down menu to Summary Statistics (or Your Own if you have the sample data).
or

5. Enter the summary statistics: Sample Size, Sample Mean, and Sample Std. Dev. (These will be calculated automatically if you pasted your own data into the app.) You can optionally also add the Name of Variable.

6. Change the Type of Inference pull-down menu to Significance Test.

7. Enter the value of μ according to the null hypothesis under Null value μ0 and the type of alternative hypothesis under Alternative.

8. You're done! You can now read off any of the information you need, including the standard error, the T-statistic, and the P-value. If you would also like to see the degrees of freedom displayed, you can check the box next to Show Degrees of Freedom.