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

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

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

Imagine you’re a teacher assessing student performance in a math exam where scores range from 0 to 100. You’ve…

Data is set of observation. This observation can be collected in various ways such as field notes, survey or…

In the world of statistics and data analysis, understanding the relationship between two variables is crucial. One of the…