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

In data analysis, identifying outliers with the box plot  rule helps pinpoint data points that significantly deviate from the…

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

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

If you have a sample or population of data and you want to understand the different properties, the different…

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