There is an important distinction between a sample of data and population of data. So, let’s take a research…

Introduction Let’s take a hypothetical example and consider a company as property. The value of a property can be…

A straightforward solution to deal with unit of variance which is in squared units is to simply calculate the…

Bar Graph-two categorical variable In the previous article, we have discussed tabulating and graphing one categorical variable through table…

We’ve discussed the mean previously about mean or average as a measure of central tendency, let’s explore two other…

Describing Numerical Data In the previous articles we described two kinds of variable numerical and categorical, also known as…