In data analysis, identifying outliers with the box plot  rule helps pinpoint data points that significantly deviate from the…

There is an important distinction between a sample of data and population of data. So, let’s take a research…

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

Stem and leaf plot is used to plot for a numerical variable. It’s essentially a way to list our…

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

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