We’ve discussed the mean previously about mean or average as a measure of central tendency, let’s explore two other…

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

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

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

Variance represents the average of the squared deviations from the mean. Because we square the deviations, the variance is…

In a box plot, the “box” represents the interquartile range (IQR) of the data. Inside the box, you find…