From: A new discrete pareto type (IV) model: theory, properties and applications
Total number of carious teeth (x) | 0 | 1 | 2 | ≥3 | Total | p-value |
---|---|---|---|---|---|---|
Observed Frequency (Oi) | 64 | 17 | 10 | 9 | 100 | Â |
Poisson(0.67) | Â | Â | Â | Â | Â | Â |
Ei | 51.2 | 34.3 | 11.5 | 3 | 100 | Â |
\(\frac {\left (O_{i}-E_{i}\right)^{2}}{E_{i}}\) | 3.2 | 8.7 | 0.2 | 12 | 24.1 | 0.000024 |
Geometric(0.5988) | Â | Â | Â | Â | Â | Â |
Ei | 59.9 | 24 | 9.6 | 6.5 | 100 | Â |
\(\frac {\left (O_{i}-E_{i}\right)^{2}}{E_{i}}\) | 0.28 | 2.74 | 0.02 | 0.96 | 4.0 | 0.2614 |
DBD (1.292,0.2108) | Â | Â | Â | Â | Â | Â |
Ei | 66 | 19.4 | 6.7 | 7.9 | 100 | Â |
\(\frac {\left (O_{i}-E_{i}\right)^{2}}{E_{i}}\) | 0.05 | 0.3 | 1.61 | 0.15 | 2.14 | 0.5438 |
DPareto (0.1935) | Â | Â | Â | Â | Â | Â |
Ei | 68 | 15.6 | 6.2 | 10.2 | 100 | Â |
\(\frac {\left (O_{i}-E_{i}\right)^{2}}{E_{i}}\) | 0.24 | 0.13 | 2.33 | 0.14 | 2.84 | 0.4169 |
GBPareto (1.2742, 1.5783, 2.0132) | Â | Â | Â | Â | Â | Â |
Ei | 61 | 18 | 6 | 15 | 100 | Â |
\(\frac {\left (O_{i}-E_{i}\right)^{2}}{E_{i}}\) | 0.1525 | 0.0609 | 0.9756 | 4.3902 | 5.5793 | 0.1339 |
DPIV(0.735, 1.282, 0.679) | Â | Â | Â | Â | Â | Â |
Ei | 59 | 16.4 | 16.4 | 8.2 | 100 | Â |
\(\frac {\left (O_{i}-E_{i}\right)^{2}}{E_{i}}\) | 0.4237 | 0.0219 | 2.4975 | 0.0780 | 3.02129 | 0.3884 |