| Period | N | Mini | Maxi | Mean | Std. error Mean | Std. Deviation | Variance |
Return on equity (ROE) | Pre | 6 | 17.50 | 25.83 | 22.162 | 1.406 | 3.445 | 11.866 |
Post | 6 | 17.61 | 33.08 | 23.480 | 2.778 | 6.804 | 46.288 |