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

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

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

To understand how spread out a set of data points can be, we need to measure the variation. The…

So, let’s look at another example to understand tabulating the two categorical variables. In previous article we have described…

Stem and leaf plot is used to plot for a numerical variable. It’s essentially a way to list our…