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      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

      Solution

      Slope coefficient is independent of change of origin.

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