Multiple Choice
Suppose the variable x2 has been omitted from the following regression equation, .
is the estimator obtained when x2 is omitted from the equation.If E(
) >β1,
is said to _____.
A) have an upward bias
B) have a downward bias
C) be unbiased
D) be biased toward zero
Correct Answer:

Verified
Correct Answer:
Verified
Q2: An explanatory variable is said to be
Q6: Suppose the variable x<sub>2</sub> has been omitted
Q12: In the equation, <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2132/.jpg" alt="In the
Q13: If the explained sum of squares is
Q15: The assumption that there are no exact
Q18: The term "linear" in a multiple linear
Q25: The value of R<sup>2</sup> always _.<br>A)lies below
Q26: Which of the following is true of
Q27: If an independent variable in a multiple
Q28: The coefficient of determination (R<sup>2</sup>) decreases when