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

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

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

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

When analyzing distributions, we often discuss their modalities. The modalities is the number of peaks they exhibit. A distribution…

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