Multiple Choice
If the fitted regression is Y = 3.5 + 2.1X (R2 = .25,n = 25) ,it is incorrect to conclude that
A) Y increases 2.1 percent for a 1 percent increase in X.
B) the estimated regression line crosses the Y axis at 3.5.
C) the sample correlation coefficient must be positive.
D) the value of the sample correlation coefficient is .50.
Correct Answer:
Verified
Correct Answer:
Verified
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