Table DI.

Bias and MSE for estimated parameters with equal sample sizes.

Method	Bias			MSE
	β0	β1	β2	β0	β1	β2
Total sample size N = 1000 × 3 × 5 (equal sample size) = 15000
Weighted mean (Mean)	0.0023	0.0005	−0.0005	0.2126	0.0026	0.0068
Median	−0.0055	−0.0016	0.0007	0.3792	0.0099	0.0183
Minimum	0.0219	0.0075	−0.0036	0.5250	0.0140	0.0266
Maximum	−0.0428	−0.0084	0.0083	0.8344	0.0214	0.0399
Total sample size N = 100 × 3 × 5 (equal sample size) = 1500
Weighted mean (Mean)	0.1066	0.0107	−0.0272	2.8586	0.0708	0.1509
Median	0.1781	0.0286	−0.0433	4.2857	0.1156	0.2228
Minimum	−0.2240	−0.0181	0.0502	5.4686	0.1158	0.2820
Maximum	−0.1285	−0.0037	−0.0373	11.4781	0.3338	0.5221