Journal of Probability and Statistics / 2009 / Article / Tab 4

Research Article

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

Table 4

Grouped data: , , , , .

S.S

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

30 21.752 32.374 92.4% 176.952 610.020 80.1%
35 21.381 29.635 92.5% 169.389 512.877 81.2%
40 21.247 28.552 92.6% 168.496 552.496 85.0%
50 21.179 24.738 93.8% 166.919 373.012 83.3%
100 20.507 17.132 94.3% 156.027 264.165 88.8%

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