In a dataset, an alternative plot apart from the histogram is a density plot. Similar to a histogram, a…

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

1. “Fallen angels will all go back up, eventually.” A “fallen angel” is a stock that once performed well…

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

Bar Graph-two categorical variable In the previous article, we have discussed tabulating and graphing one categorical variable through table…

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