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NDA 2014
Exam
NDA
Year
2014
Subject
Mathematics
Chapter
Statistics

NDA 2014 · Mathematics · Statistics

For two variables x and y , the two regression coefficients are b_...

For two variables xx and yy, the two regression coefficients are byx=−3/2b_{y x}=-3 / 2 and bxy=−1/6b_{x y}=-1 / 6. The correlation coefficient between xx and yy is:

Options

  1. A−1/4-1 / 4
  2. B1/41 / 4
  3. C−1/2-1 / 2
  4. D1/21 / 2

Correct answer

D. 1/21 / 2

Step-by-step solution

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