| Challenges Groups | Mean | Std. Deviation | %of Relative Importance Index | t-value | Rank |
|---|---|---|---|---|---|
| Financial challenges | 3.96 | 0.369 | 79.25 | 21.505 | 1 |
| Material and Equipment | 3.96 | 0.549 | 79.12 | 14.355 | 2 |
| Business environment | 3.61 | 0.466 | 72.12 | 10.711 | 3 |
| Human resources | 3.46 | 0.591 | 69.12 | 6.366 | 4 |
| Higher management skills | 3.25 | 0.701 | 65.00 | 2.941 | 5 |
| Communication and work relations | 3.03 | 0.545 | 60.69 | 0.520 | 6 |