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

Stock Traders look for various signal like GDP, inflation rate, interest rate to predict the future economic condition. One…

One of the way to measure the variability is to calculate the difference of each observation from the mean.…

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

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…