Standard deviation | how to calculate the SD and variance

In this video, we will see how to calculate the sample standard deviation (SD) and the variance based on a simple example, as well as how to interpret these measures. 1. How to calculate the sample SD (0:58) 2. How to interpret the SD (03:42​) 3. How to calculate the sample variance (05:38) 4. A comparison between the SD and the IQR (07:08) For more videos, go to: https://www.tilestats.com