Example of the Unequal Variances Option

Use the Oneway platform to test whether two groups have equal variance.

1. Select Help > Sample Data Folder 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. Click the Oneway Analysis red triangle menu and select Unequal Variances.

Figure 6.25 Example of the Unequal Variances Report 

Since the p-value from the 2-sided F Test is large, you cannot conclude that the variances are unequal.

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