Learn cool trick to calculate Mean, Standard deviation and Variance without using any paperwork or complex calculations (no need to remember the formulas as well).
This video is for students who have statistics based subjects where you need to calculate mean, standard deviation and other complex calculations.
This cool trick will enable you to solve any 15 mins problem in less than 5 mins flat!
In this video we're using the Scientific Calc Casio 991ES
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Peace!
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