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

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

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

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

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

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