Publication date: 08/13/2020

Example of an Equivalence Test

This example uses the Big sample data table. Examine if the difference in height between males and females is less than 6 inches.

1. Select Help > Sample Data Library and open Big

2. Select Analyze > Fit Y by X.

3. Select height and click Y, Response.

4. Select sex and click X, Factor.

5. Click OK.

6. Click the red triangle Oneway Analysis of height By sex and select Equivalence Test.

7. Type 6 as the difference considered practically zero.

8. Click OK.

Figure 6.30 Example of an Equivalence Test 

Using two one-sided tests, you can see that the p-value is small for both. Therefore, you can conclude that the difference in population means is located somewhere between -6 and 6. For your purposes, you can declare the means to be practically equivalent.

Want more information? Have questions? Get answers in the JMP User Community (