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

In previous article we discussed about variance and standard deviation, assuming we had a population of data, even though…

Variance represents the average of the squared deviations from the mean. Because we square the deviations, the variance is…

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

We’ve discussed the mean previously about mean or average as a measure of central tendency, let’s explore two other…

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