Question

In classical linear regression model if we add in 90 in X and Y observation and re-estimate the regression model then slope coefficient

A Increases by 90 Correct Answer Incorrect Answer
B Decrease by 90 Correct Answer Incorrect Answer
C Remains same Correct Answer Incorrect Answer
D None of the above Correct Answer Incorrect Answer
E More information required Correct Answer Incorrect Answer

Solution

Slope coefficient is independent of change of origin.

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