Unlike the mean and median, which represent average and middle values respectively, the mode identifies the most frequently occurring…

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

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

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

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

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