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

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

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

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

Creating good graphics is a very important part of data visualization. Data visualization is not a science this is…

Imagine you’re a teacher assessing student performance in a math exam where scores range from 0 to 100. You’ve…