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

One issue with range and the interquartile range (IQR) both is that they don’t include information from all the…

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

The basic principle of how stock prices move is based on market demand and supply. When there are more…

Variance represents the average of the squared deviations from the mean. Because we square the deviations, the variance is…

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