Data is set of observation. This observation can be collected in various ways such as field notes, survey or…

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

Previous article discussed the basic contingency table of proportions and percentages. People often want to ask more about relationships…

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

In the previous article we discussed how to visualize two categorical variables through dodged, staked bar graphs. Another way…

In a dataset, an alternative plot apart from the histogram is a density plot. Similar to a histogram, a…