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

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

One of the way to measure the variability is to calculate the difference of each observation from the mean.…

Histograms are incredibly useful when you have a large dataset and want to visualize the distribution of a numerical…

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

A straightforward solution to deal with unit of variance which is in squared units is to simply calculate the…