If you have a sample or population of data and you want to understand the different properties, the different…

In previous article we discussed about variance and standard deviation, assuming we had a population of data, even though…

Mean is the one of the most commonly used measures of central tendency. It’s a powerful tool for understanding…

There are two main kinds of studies, observational studies and, experimental studies. The statistical process can be viewed in…

To better illustrate the concepts of mean, median and mode, let’s dive into an example survey about what makes…

To understand how spread out a set of data points can be, we need to measure the variation. The…