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

A straightforward solution to deal with unit of variance which is in squared units is to simply calculate the…

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

Choosing which statistical test to use, given the variables is often confusing for researchers and analyst. One of the…

Describing Numerical Data In the previous articles we described two kinds of variable numerical and categorical, also known as…

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