In a box plot, the “box” represents the interquartile range (IQR) of the data. Inside the box, you find…

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

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…

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

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