Multiple Choice
In a simple linear regression analysis, the following sums of squares are produced: The proportion of the variation in Y that is explained by the variation in X is:
A) 20%
B) 80%
C) 25%
D) 50%
E) none of these choices
Correct Answer:

Verified
Correct Answer:
Verified
Q3: We should include an interaction variable in
Q4: In regression analysis, if there are several
Q6: The standard error of the estimate (
Q11: The R<sup>2</sup> can only increase when extra
Q12: In regression analysis, the variables used to
Q13: In simple linear regression, the divisor of
Q29: In regression analysis,which of the following causal
Q40: An important condition when interpreting the coefficient
Q51: In every regression study there is a
Q65: The coefficients for logarithmically transformed explanatory variables