Table 4.

The empirical type I error rates of the tests at the significance level 0.05 when the survival times have the same uniform, exponential, or log-normal distributions with sample sizes n ₁ = 20, n ₂ = 25, n ₃ = 25, n ₄ = 30

Distributions and parameters	Censoring rate	BC	TJ	New
Uniform distribution   θ = (10,10,10,10)   a = (4,4,4,4)   c = (2,2,2,2)	0	0.071	0.051	0.054
	0.1	0.080	0.073	0.053
	0.2	0.082	0.092	0.045
	0.3	0.090	0.121	0.045
Exponential distribution   θ = (10,10,10,10)   a = (0.1,0.1,0.1,0.1)	0	0.066	0.046	0.049
	0.1	0.074	0.055	0.056
	0.2	0.078	0.068	0.051
	0.3	0.084	0.087	0.050
Log-normal distribution   θ = (log(10), log(10), log(10), log(10))   a = (0.3,0.3,0.3,0.3)	0	0.068	0.048	0.053
	0.1	0.073	0.064	0.051
	0.2	0.081	0.085	0.052
	0.3	0.080	0.103	0.044