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

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

The Challenger disaster occurred on January 28, 1986, during the launch of the Space Shuttle Challenger. The Space Shuttle…

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

We have covered major measures of center and location—mean, median, and mode—we now turn to other important measures: percentiles…

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