Consider the multiple regression containing three independent variables: Y = Bo + B1 X1 + B2X2 + µ e interesting in estimating the sum of the parameters on X, and X, call this ôg = B1 + B2- a. Show that ô, = B1 + B2 b. Are B1 + B2 unbiased estimator of 01.

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Question 2
(i) Consider the multiple regression containing three independent variables:
Y = Bo + B1 X1 + B2X2 + µ
You are interesting in estimating the sum of the parameters on X1 and X, call this Ô, = ß1 + B2.
a. Show that ô, = ß1 + B2
b. Are ß1 + B2 unbiased estimator of 81.
Transcribed Image Text:Question 2 (i) Consider the multiple regression containing three independent variables: Y = Bo + B1 X1 + B2X2 + µ You are interesting in estimating the sum of the parameters on X1 and X, call this Ô, = ß1 + B2. a. Show that ô, = ß1 + B2 b. Are ß1 + B2 unbiased estimator of 81.
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