Journal of Probability and Statistics / 2009 / Article / Tab 2

Research Article

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

Table 2

Grouped data: , , , , .

S.S

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

30 21.660 34.091 92.4% 245.569 1835.284 85.4%
35 21.320 30.027 92.1% 211.600 794.547 81.9%
40 21.159 27.386 93.4% 205.518 763.310 84.1%
50 20.884 24.588 94.4% 190.732 525.019 83.3%
100 20.465 16.790 94.3% 167.344 343.435 90.0%

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