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      Question

      When two regression coefficients bear same algebraic

      signs, then correlation coefficient is:
      A Positive Correct Answer Incorrect Answer
      B Negative Correct Answer Incorrect Answer
      C According to two signs Correct Answer Incorrect Answer
      D Zero Correct Answer Incorrect Answer
      E Insufficient information Correct Answer Incorrect Answer

      Solution

      When two regression coefficients bear same algebraic signs, then correlation coefficient is according to two signs.

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