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)
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