Example of Analysis of Means

Use the Oneway platform to test for differences in means using the multiple comparison analysis of means (ANOM) method.

1. Select Help > Sample Data Folder and open Analgesics.jmp.

2. Select Analyze > Fit Y by X.

3. Select pain and click Y, Response.

4. Select drug and click X, Factor.

5. Click OK.

6. Click the Oneway Analysis red triangle and select Analysis of Means Methods > ANOM.

Figure 6.11 Analysis of Means Decision Chart 

From the ANOM decision chart, notice that the means for drug A and C are statistically different from the overall mean. The drug A mean is lower and the drug C mean is higher. Note the decision limits for the drug types are not the same, due to different sample sizes.

Want more information? Have questions? Get answers in the JMP User Community (community.jmp.com).