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

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…

To better illustrate the concepts of mean, median and mode, let’s dive into an example survey about what makes…

We can get the numerical summary through measures of central tendency, location, and variability for numerical data. But numbers…

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