In a dataset, an alternative plot apart from the histogram is a density plot. Similar to a histogram, a…

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

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

If you have a sample or population of data and you want to understand the different properties, the different…

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

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