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(Solved): Prove theorem. Please explain each step of proof.  THEOREM B Under the assumptions of the sta ...



Prove theorem. Please explain each step of proof

THEOREM B
Under the assumptions of the standard statistical model,
O É
Var )
21
11
Ha
Vart.)
1
*??? - (????,
14.2 Simple Line

THEOREM B Under the assumptions of the standard statistical model, O É Var ) 21 11 Ha Vart.) 1 *??? - (????, 14.2 Simple Linear Regression 549 Coveo. 8.) ??? - il Proof From a form for B1 given in Section 14.1 ??: – 3)(y– ) ??? – ) B. ??? – ??? – ? The identity for the numerator follows from expanding the product and using 0; - $) = 0. We then have Vart.) 1 im 2 4.- 1) which reduces to the desired expression. The other expressions may be derived similarly. Later we will give a more general proof.


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