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

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

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

Describing Numerical Data In the previous articles we described two kinds of variable numerical and categorical, also known as…

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

Choosing which statistical test to use, given the variables is often confusing for researchers and analyst. One of the…