# Maurício Lila

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- José Andre de Moura Brito, Maurício Lila, Flávio Montenegro, Nelson Maculan
- Optimization Letters
- 2010

We report a new optimal resolution for the statistical stratification problem under proportional sampling allocation among strata. Consider a finite population of N units, a random sample of n units selected from this population and a number L of strata. Thus, we have to define which units belong to each stratum so as to minimize the variance of a total… (More)

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