Multiple Choice
The following are all least squares assumptions with the exception of:
A) The conditional distribution of ui given Xi has a mean of zero.
B) The explanatory variable in regression model is normally distributed.
C) (Xi,Yi) ,i = 1,... ,n are independently and identically distributed.
D) Large outliers are unlikely.
Correct Answer:

Verified
Correct Answer:
Verified
Q51: (Requires Appendix material)A necessary and sufficient condition
Q52: For the simple regression model of Chapter
Q53: At the Stock and Watson (http://www.pearsonhighered.com/stock_watson)website,go to
Q54: In 2001,the Arizona Diamondbacks defeated the New
Q55: To decide whether the slope coefficient indicates
Q57: (Requires Appendix)The sample regression line estimated by
Q58: The slope estimator,β1,has a smaller standard error,other
Q59: The standard error of the regression (SER)is
Q60: The OLS residuals, <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2833/.jpg" alt="The OLS
Q61: Show first that the regression R2 is