r2 measures ________.
A) the proportion of variation in one variable that is explained by the other
B) the proportion of variation in Y due to the variation within each of the categories of X
C) the proportion of error variation
D) the proportion of variation in Y related to the variation of the categories of X
Correct Answer:
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Q42: Which statement is not true about correlation
Q43: The _ is a measure of the
Q44: Which statement about the correlation coefficient,r,is true?
A)
Q45: r = 0 indicates _.
A) X and
Q45: Multicollinearity arises when intercorrelations among the predictors
Q47: In regression with dummy variables,the predicted Ŷ
Q49: ry(x.z)represents the _.
A) Pearson correlation
B) part correlation
C)
Q50: The equation for r is represented as
Q51: Which statement is not correct about the
Q53: Which of the following is a measure
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