In the world of statistics and data analysis, understanding the relationship between two variables is crucial. One of the…

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

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

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

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

Histograms are incredibly useful when you have a large dataset and want to visualize the distribution of a numerical…