In previous article we discussed about variance and standard deviation, assuming we had a population of data, even though…

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

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

Introduction Let’s take a hypothetical example and consider a company as property. The value of a property can be…

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

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