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Question refers to the following regression estimated on 64 observations:
Yt = 1 + 2X2t + 3X3t + 4X4t + ut
-Which of the following null hypotheses could we test using an F-test?
(I) 2 = 0
(ii) 2 = 1 and 3 + 4 = 1
(iii) 3 4 = 1
(iv) 2 - 3 - 4 = 1
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