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If a constant 60 is subtracted from each of the values of X and Y, then the regression coefficient is
  • a)
    reduced by 60
  • b)
    increased by 60
  • c)
    1/60th of the original regression coefficient
  • d)
    not changed
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
If a constant 60 is subtracted from each of the values of X and Y, the...
The regression coefficient are independent of the change of the origin. But , they are not independent of the change of the scale. It means there will be no effect on the regression coefficient if any constant is subtracted from the values of x and y
∴ After subtracting constant 60 from each value of X and Y, the regression coefficient is not changed.
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If a constant 60 is subtracted from each of the values of X and Y, then the regression coefficient isa)reduced by 60b)increased by 60c)1/60th of the original regression coefficientd)not changedCorrect answer is option 'D'. Can you explain this answer?
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