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      Question

      If coefficient of correlation rxy= 1,

      then
      A Regression lines become identical Correct Answer Incorrect Answer
      B Perfect linear co-relationship is observed Correct Answer Incorrect Answer
      C byx = 1/bxy Correct Answer Incorrect Answer
      D All of the above Correct Answer Incorrect Answer

      Solution

      If coefficient of correlation rxy= 1, then all of the above conditions hold true.

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