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Assume that Y1, ..., Y, are uncorrelated random variables such that y; = Bo + Bit; + Bar; + Bar; + ; where s; ~~

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Assume that Y1, ..., Y, are uncorrelated random variables such that y; = Bo + Bit; + Bar; + Bar; + ; where s; ~~ N(0, o?). 1. (20 points) Derive the four Normal equations associated with the least squares estimation. 2. (20 points) Derive the first order conditions associated with MLE

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