Short answers

7. Two statistics, bl and b2, exist to estimate the same population parameter ,3. Suppose that )5' = 4 and the samph'ng distributions of the two statistics with a sample size of 100 are shown in Figure 1. On the basis of these sampling distributions, which statistics is a more attractive 3 = 3 2.5 25 E 2 \"if 2 o n m 5'4 on 515 7.51.5 E. E. E 1 E 1 3 :3 0.5 0.5 estimator of ,8