Example of an Equivalence Test

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Basic Analysis • Oneway Analysis • Additional Examples of the Oneway Platform • Example of an Equivalence Test

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Example of an Equivalence Test

This example uses the Big Class.jmp 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 Class.jmp.

2.

Select Analyze > Fit Y by X.

3.

Select height and click Y, Response.

4.

Select sex and click X, Factor.

5.

6.

From the red triangle menu, select Equivalence Test.

7.

Type 6 as the difference considered practically zero.

8.

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 significantly located somewhere between -6 and 6. For your purposes, you can declare the means to be practically equivalent.

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Help created on 3/19/2020