Calculating the equation of a regression line | AP Statistics | Khan Academy

Calculating the equation of a least-squares regression line. Intuition for why this equation makes sense.

AP Statistics on Khan Academy: Meet one of our writers for AP¨_ Statistics, Jeff. A former high school teacher for 10 years in Kalamazoo, Michigan, Jeff taught Algebra 1, Geometry, Algebra 2, Introductory Statistics, and AP¨_ Statistics. Today he's hard at work creating new exercises and articles for AP¨_ Statistics.

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[ege.e]

I needed this video like 3 months ago before my stats exam.... :(

[punkrockjoanofarc]

I'm in a Gen Ed stats class and I'm here scouring the internet to see if anything could help me

[RachelPun]

Why does the slope have anything to do with the correlation coefficient? When the correlation is weak and closer to 0, it doesn't mean the slope should be any less steep, just less reliable, no?

[alexfernandezbarnada]

Shouldn't it be m = r *(sdx/sdy) ??

[Strawberrycream]

This is very confusing the way he explained this. The graph was not needed and only made things more confusing