Dummy variables | Significant level 5% | Significant level 10% | ||||
No. of significant | No. of significant and positive | No. of significant and negative | No. of significant | No. of significant and positive | No. of significant and negative | |
b1 | 46 | 11 | 35 | 58 | 13 | 41 |
b2 | 50 | 18 | 32 | 61 | 21 | 40 |
Total | 96 | 29 | 67 | 119 | 34 | 81 |