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

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

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

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

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

In data analysis, identifying outliers with the box plot  rule helps pinpoint data points that significantly deviate from the…