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Find the equatoin of the least squares regresssion line.

From probability... Distributions of two random Variables. The Correlation Coefficient.

Please show each step of your solution. Please check typos and final answers before you post. I will appreciate it.

Final Answer from my text book:
a= Mu_Y - (Mu_X)*b, b= Cov(X,Y)/(Sigma_X)^2


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