Category: Population and Sample

In statistics, the concept of a sample is one of the most important building blocks for research and data analysis. A sample refers to a smaller subset selected from a larger group known as the population. Instead of studying every single individual or element in the entire population—which can be expensive, time-consuming, and sometimes impossible—researchers…

In statistics, the word “population” has a very specific and important meaning. It does not refer only to people or a country’s population, but to every subject or item that belongs to the group we want to study. A population represents the entire set of individuals, objects, events, observations, or measurements that share a common…