MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question

14

In a simple linear regression model y = Bo + B12 + u. the conditional mean assumption E[ula = 0 implies that: O The explanatory variable is correlated with unobserved variables O The sample used for the estimation is random O The expected value of the error term is equal to zero O The fitted values correspond to the expected values of y conditional on x
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Transcribed Image Text:In a simple linear regression model y = Bo + B12 + u. the conditional mean assumption E[ula = 0 implies that: O The explanatory variable is correlated with unobserved variables O The sample used for the estimation is random O The expected value of the error term is equal to zero O The fitted values correspond to the expected values of y conditional on x
Expert Solution
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Assumption :The Error Term has Conditional Mean of Zero
 
This means that no matter which value we choose for X , the error term u must not show any systematic pattern and must have a mean of 0 .
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