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

There are two main kinds of studies, observational studies and, experimental studies. The statistical process can be viewed in…

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…

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

Sharpe Ratio is the most extensively used metric in the finance world to evaluate the performance of an investment.…