Describing Numerical Data In the previous articles we described two kinds of variable numerical and categorical, also known as…

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

Mean is the one of the most commonly used measures of central tendency. It’s a powerful tool for understanding…

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

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

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