Estimating Population values in the Survey Research

Abstract

The significance of sample statistics in the research study is increasing day by day. In the various study as medical science, physical sciences and social sciences total population study is guessed from sample statistics. There are two methods for finding population parameter. Viz point estimate and interval estimate. Point estimate is error free method and interval estimate always count error as well as confidence level. In research to find out population values there are fixed standard to draw the sample. The sample must be unbiased, consistent, efficient and sufficient because sample is basic foundation of the overall process.