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

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

The basic principle of how stock prices move is based on market demand and supply. When there are more…

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

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

So, let’s look at another example to understand tabulating the two categorical variables. In previous article we have described…