If the plot of the residuals is fan shaped, which assumption of regression analysis (if any) is violated?
A. Normality
B. Homoscedasticity
C. Independence of errors
D. No assumptions are violated.
Analysis:
A. Incorrect. The assumption of homoscedasticity is violated.
B. Correct. The assumption of homoscedasticity is violated.
C. Incorrect. The assumption of homoscedasticity is violated.
D. Incorrect. The assumption of homoscedasticity is violated.
ANSWER : B
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