To understand how spread out a set of data points can be, we need to measure the variation. The…

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

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

Previous article discussed the basic contingency table of proportions and percentages. People often want to ask more about relationships…

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

Introduction Let’s take a hypothetical example and consider a company as property. The value of a property can be…