Tessera, Dr. AbebeKiros, Gebre- Egziabher2022-01-242023-11-092022-01-242023-11-091990-06http://10.90.10.223:4000/handle/123456789/29562In this paper several estimators of thp common unknown mean of poss iblydifferent nor mal popuJa ti ons when t he variances are unknown a re compared thr'ough an extensive Monte'Car lo study.enA Monte Carlo AroroachComparison of Several Est i mators for the Common mean of Different Normal Popul ations : a Monte Carl o AroroachThesis