Stratified sampling, Basic Statistics

Stratified Sampling: If the population from which a sample is to be drawn does not constitute a homogenous group, then stratified sampling technique is applied so as to obtain a representative sample. In this techniques the population is stratified into a number of non overlapping subpopulations or strata and sample items are selected from each stratum. If the items selected from each stratum is based on simple random sampling the entire procedure first stratification and the simple random sampling is known as stratified random sampling.

Posted Date: 3/30/2013 3:18:12 AM | Location : United States







Related Discussions:- Stratified sampling, Assignment Help, Ask Question on Stratified sampling, Get Answer, Expert's Help, Stratified sampling Discussions

Write discussion on Stratified sampling
Your posts are moderated
Related Questions
Differentiate between Historigrams and Histogram


For public health purposes, the force of mortality in a population is usually measured by means of such indices as crude death rate. Infant mortality rate, specific death rate at d

An instructor wants to determine which of his students are A students and which are B students (this is a graduate course, so clearly all the students are either A or B stu

I need help on writing a paper about this title

A researcher has gathered data on the daily returns on a portfolio of call options over a recent 250-day period. The mean daily return has been 0.001 and the sample standard deviat

Problems and solutions in marginal costing

How many different starting lineups of 5 basketball players can be chosen from a squad of 13 players?

1. Unrestricted cash contributions received during the year, $300,000. 2. Restricted cash contributions were received during the year for the following: Education