Suppose the variable x, has been omitted from the following regression equation, y = B + Bx, + Bx, + 4. is the estimator obtained when x, is omitted from the cquation. The bias in is negative if O a. 2 -0 and x, and x2 are negatively correlated O b. 0 and x, and x, are positively correlated O c. B0 and x, and x, are positively correlated O d. A -0 and x, and x, are negatively correlated

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Suppose the variable x, has been omitted from the following regression equation, y = B + B,x, + Bx2 + u. is the estimator obtained when x, is
omitted from the equation. The bias in is negative if
a. -0 and x, and x, are negatively correlated
b. B0 and x, and x, are positively correlated
B0 and x, and x, are positively correlated
C.
d. B =0 and x, and x, are negatively correlated
Transcribed Image Text:Suppose the variable x, has been omitted from the following regression equation, y = B + B,x, + Bx2 + u. is the estimator obtained when x, is omitted from the equation. The bias in is negative if a. -0 and x, and x, are negatively correlated b. B0 and x, and x, are positively correlated B0 and x, and x, are positively correlated C. d. B =0 and x, and x, are negatively correlated
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