Calculus needed consider the multiple regression modelwhere, Ask an Expert

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(Calculus needed.) Consider the multiple regression model:

where the εi are uncorrelated, with

a. State the least squares criterion and derive the least squares estimators of ß₁ and ß₂.

b. Assuming that the Si are independent normal random variables, state the likelihood function and obtain the maximum likelihood estimators of ß₁ and ß₂. Are these the same as the least squares estimators?

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