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      Question

      Given two lines of regression x+3y=11 and 2x+y=7. Find

      the coefficient of correlation between x and y.
      A 0.308 Correct Answer Incorrect Answer
      B -0.308 Correct Answer Incorrect Answer
      C -0.408 Correct Answer Incorrect Answer
      D 0.408 Correct Answer Incorrect Answer

      Solution

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