| The SAS System | 
| Summary Statistics for group by var Controlling for indices | 
| Cochran-Mantel-Haenszel Statistics (Based on Rank Scores) | ||||
|---|---|---|---|---|
| Statistic | Alternative Hypothesis | DF | Value | Prob | 
| 1 | Nonzero Correlation | 1 | 5.3571 | 0.0206 | 
| 2 | Row Mean Scores Differ | 2 | 11.1429 | 0.0038 | 
| Total Sample Size = 66 |