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.
Click OK.
6.
From the red triangle menu, select Equivalence Test.
7.
Type 6 as the difference considered practically zero.
8.
Click OK.
Figure 5.79 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 7/12/2018