One issue with range and the interquartile range (IQR) both is that they don’t include information from all the…

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…

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

Creating good graphics is a very important part of data visualization. Data visualization is not a science this is…

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