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

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

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

The Challenger disaster occurred on January 28, 1986, during the launch of the Space Shuttle Challenger. The Space Shuttle…

In a box plot, the “box” represents the interquartile range (IQR) of the data. Inside the box, you find…

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