A Two-Sample Procedure for Selecting the Population with the Largest Mean from Several Normal Populations with Unknown Variances: Some Comments on Ofosu's Paper.
CORNELL UNIV ITHACA N Y DEPT OF OPERATIONS RESEARCH
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Ofosu 1973 proposed a procedure for selecting the population with the largest mean from several normal populations with unknown variances. Ofosu claimed that his procedure guaranteed a certain probability requirement given by an equation of that paper, and based his claim on his Theorem 1 p. 118. However, the proof of this theorem contains a critical statement which is unsubstantiated in the paper, and which in fact may be incorrect it also contains a statement which is in error. These may invalidate his basic result. The statements are described and commented on below.
- Statistics and Probability