Table 4.

MLE's and AIC values for failure time data set.

Method	$\hat{\alpha }$	$\hat{\beta }$	loglik	AIC
SO	9.2430	1.1806	58.5950	−113.1899
	(1.9826)	(0.1117)
Beta	1.2351	7.1832	55.5859	−107.1718
	(0.2059)	(1.4116)
KUM	1.0486	6.3959	54.9236	−105.8472
	(0.1121)	(1.4302)
LL	0.8638	0.0000	45.1558	−86.3116
	(0.1024)	(0.1706)
TL	0.5904		40.0598	−78.1197
	(0.0775)