In the present investigation, some theory has been developed for optimum stratification, when two auxiliary variables treated as the basis of stratification with one study variable under study. The problem… Click to show full abstract
In the present investigation, some theory has been developed for optimum stratification, when two auxiliary variables treated as the basis of stratification with one study variable under study. The problem has been formulated as mathematical programming problem and then solved by dynamic programming. Empirical studied have been made to illustrate the proposed method with the comparisons of other existing methods.
               
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