One of the most useful indicators relative dispersion is coefficient variation. The characteristics variation have contributed to its widespread use in scientific and academic disciplines, with real life applications. traditional estimators are based on conventional moments; therefore, these highly affected by presence extreme values. In this article, we develop some novel calibration-based for...

this study was conducted based on primary data collected using a questionnaire. a total of 90 respondents among farmers associations were interviewed in kano state of nigeria. therefore, double stage stratified and purposive simple random sampling technique was used to select 30 respondents in each of three (3) farmers associations, one from each of the three (3) agricultural zones of the state...

The problems of multivariate sampling arising in the areas of stratified random sampling, two stage sampling, double sampling and response errors formulate as multiobjective convex programming problems with convex objective functions and a single linear constraint with some upper and lower bounds.