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

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

We have covered major measures of center and location—mean, median, and mode—we now turn to other important measures: percentiles…

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

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

In a box plot, the “box” represents the interquartile range (IQR) of the data. Inside the box, you find…