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

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

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

One issue with range and the interquartile range (IQR) both is that they don’t include information from all the…

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

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