Stratified Sampling – How It Works? Advantages & Disadvantages usbusinessnews.org

Stratified sampling is a very famous method of collecting samples randomly. This method is widely used to study the differences between several groups in an area. It differs from simple random sampling as it involves treating all groups in a population the same. This article will guide you properly on stratified sampling and how it works. It will also explain all the pros and cons of this method.