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5.273  Articles
1 of 528 pages  |  10  records  |  more records»
Consider a multivariate stratified population with  strata and  characteristics. Let the estimation of the population means be of interest. In such cases the traditional individual optimum allocations may differ widely from characteristic to cha... see more

As water demand is exponentially increasing and supplies are scarce, integrated urban water management is an important task in all cities and regions. It is a multi-objective problem, because of the many objectives and criteria that should be analyzed. Th... see more

In the present paper, we have considered the allocation problem of repairable components for a parallel-series system as a multi-objective optimization problem and have discussed two different models. In first model the reliability of subsystems are consi... see more

Africa will account for 80 percent of the 4 billion increase in world population by 2100. A demographic transition with an increase in its working age population provides a window of opportunity which if reaped will lead to a “demographic dividend” for ac... see more

In stratified sampling design when the cost of measuring the units is not significant in each stratum, the estimation of population mean or total constructed from a selected sample according to Neyman allocation is advisable. In general the practical use ... see more

PURPOSE: An allocation strategy that allows for chance placement of participants to study groups is crucial to the experimental nature of randomised controlled trials. Following decades of the discovery of randomisation considerable erroneous opinion and ... see more

Water shortage and water pollution have become major problems hindering socio-economic development. Due to the scarcity of water resources, the conflict between water supply and demand is becoming more and more prominent, especially in urban areas. In ord... see more

This paper has as main intent to evaluate the soybean production considering aspects such capacity of work generation, income, and the ICMS collected on Mato-grossenses cities. It is common knowledge that there are plenty of papers on the subject, but, no... see more

The Eswatini Food and Nutrition (FN) examination results have shown that the practical examinations had higher scores than the theory papers, creating negatively skewed distributions. Students were scoring high marks in the FN practical examination compon... see more

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