Data is set of observation. This observation can be collected in various ways such as field notes, survey or…

Bar Graph-two categorical variable In the previous article, we have discussed tabulating and graphing one categorical variable through table…

There are two main kinds of studies, observational studies and, experimental studies. The statistical process can be viewed in…

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

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

1. “Fallen angels will all go back up, eventually.” A “fallen angel” is a stock that once performed well…