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Publication date: 11/10/2021

Example of an Analysis of Means Chart

1. Select Help > Sample Data Library and open

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 Analysis of Means red triangle and select Analysis of Means Methods > ANOM.

Figure 6.13 Example of Analysis of Means Chart 

Example of Analysis of Means Chart

For the example, 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.

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