17 sept. 2013

Minimizing Squared Error to Regression Line (Kahn Academy)

In all this series of videos from the Kahn Academy, we can see  how complex is the calculation of the slope and intercept, compared with the way we are use to do it with a scientific calculator or using the formulas from Excel or any other program. Anyway the first video is really interesting and sure you want to continue to the end to see the results of all these calculations.

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