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

So, let’s look at another example to understand tabulating the two categorical variables. In previous article we have described…

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

Creating good graphics is a very important part of data visualization. Data visualization is not a science this is…

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

In data analysis, identifying outliers with the box plot  rule helps pinpoint data points that significantly deviate from the…