A New Lifetime Distribution: Properties, Copulas, Applications, and Different Classical Estimation Methods

Table 1

Moments, skewness, and kurtosis of the TIITLIFW distribution.

α	θ	λ	μ₁′	μ₂′	μ₃′	μ₄′	Skewness	Kurtosis
1	1	1	1.93	1.050	1.86	8.6	1.740	7.87
1	3	4	0.61	0.010	0.0009	0.0005	0.880	4.37
2	7	2	0.58	0.004	0.0003	9.90×10^−5	1.074	5.23
2	10	5	0.45	0.001	9.6×10^−6	1.85×10^−6	0.489	3.51
3	1	8	1.65	0.045	0.006	0.007	0.568	3.61
3	3	10	0.96	0.004	8.9×10^−5	6.09×10^−5	0.312	3.24
4	7	17	0.72	0.0006	9.2×10^−7	9.96×10^−7	0.066	3.02
4	10	20	0.61	0.0003	1.5×10^−10	2.00×10^−7	3.55×10^−5	3.002