Table 9 Maximum likelihood estimates for Kevlar 49/epoxy strands failure times data (pressure at 70%)
From: The T–R {Y} power series family of probability distributions
Distribution | GW* | BN* | GUWELOP |
|---|---|---|---|
Parameter estimates | \( \hat{\alpha}=2.6948 \) (0.8101) \( \hat{\gamma}=4.11091 \) (1.0456) \( \hat{\beta}=1.3118 \) (0.5144) \( \hat{\lambda}=6165.69 \) (1749.51) | \( \hat{a}=0.1626 \) (0.1039) \( \hat{b}=0.1157 \) (0.0199) \( \hat{\mu}=7826 \) (1759.97) \( \hat{\sigma}=1339.35 \) (245.62) | \( \hat{\alpha}=2.0433 \) (0.8129) \( \hat{\gamma}=3.6464 \) (1.9910) \( \hat{\beta}=1.5924 \) (1.2346) \( \hat{\lambda}=4546.90 \) (2220.66) \( \hat{\theta}=-0.6017 \) (2.5271) |
Log likelihood | −478.51 | −480.52 | −478.8681 |
AIC | 965.0 | 969.0 | 967.7362 |
K–S p value | 0.0749 0.9462 | 0.0797 0.9144 | 0.0703 0.9549 |