Length of service | Mean Rank | KhiKuasaDua | df | Sig. |
1 - 3 Years | 16.39 | 6.933 | 4 | 0.139 |
4 - 6 Years | 21.25 | |||
7 - 10 Years | 22.00 | |||
11 - 15 Years | 19.50 | |||
more than 15 years | 9.52 |