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

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

When analyzing distributions, we often discuss their modalities. The modalities is the number of peaks they exhibit. A distribution…

In the world of statistics and data analysis, understanding the relationship between two variables is crucial. One of the…

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

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