Journal of Probability and Statistics / 2009 / Article / Tab 6

Research Article

On the Existence and Uniqueness of the Maximum Likelihood Estimators of Normal and Lognormal Population Parameters with Grouped Data

Table 6

Grouped data: , , , , .

S.S

Average A.W. C.R. Average A.W. C.R.

30 21.641 32.122 90.8% 170.705 505.267 77.8%
35 21.386 30.498 92.8% 167.457 517.091 80.3%
40 21.250 28.960 93.5% 164.214 555.646 83.9%
50 21.035 26.623 95.2% 161.572 583.249 88.7%
100 20.469 17.481 94.1% 154.492 271.900 88.7%

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