# Category Population Sampling

Learn how to use profitability and non-profitability population sampling using various academic methods.

## Population vs. Sample Standard Deviation Formula Explained

In this lesson, we will draw a comparison between the population vs. sample standard deviation formula and how to calculate the equations by hand.  The standard deviation requires us to know the average for the population or sample we measure.…

## How To Take A Simple Random Sample In 4 Easy Steps

Simple random sampling is the most common type of sampling strategy used in statistics, where a simple random sample represents a subset of individuals randomly picked from a larger population. The simple random sampling approach is most widely used because…

## What is Stratified Sampling: Definition and Use

Stratified sampling, also known as stratified random sampling, is a probability sampling technique that considers the different layers or strata characterizing a population and allows you to replicate those layers in the sample. The stratification in stratified sampling is done…