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

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

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

Previous article discussed the basic contingency table of proportions and percentages. People often want to ask more about relationships…

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

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