Sum of squares, Variance and Standard deviation

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Sum of squares, Variance and Standard deviation
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You literally saved my life with this video, excellent, concise and very simple explanation! I was so confused with the formulas and in which order I needed to do each in order to be able to find each of them, but after watching this video everything was clarified; thank you!! 🙌😃

superdoggopuggowuggo
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Excellent explanation with simple example. Thanks!

tarikutesfaye