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

Unlike the mean and median, which represent average and middle values respectively, the mode identifies the most frequently occurring…

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

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

Creating good graphics is a very important part of data visualization. Data visualization is not a science this is…

If you have a sample or population of data and you want to understand the different properties, the different…