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      Question

      If the regression line of Y on X is Y =30 -0.9X and the

      standard deviations are Sx = 2 and Sy = 9, then the value of the correlatio n coefficient rxy is
      A Β¬0.3 Correct Answer Incorrect Answer
      B Β¬0.2 Correct Answer Incorrect Answer
      C 0.2 Correct Answer Incorrect Answer
      D 0.3 Correct Answer Incorrect Answer

      Solution

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