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NDA 2015
Exam
NDA
Year
2015
Subject
Mathematics
Chapter
Statistics

NDA 2015 · Mathematics · Statistics

The correlation coefficient between two variables X and Y is found...

The correlation coefficient between two variables XX and YY is found to be 0⋅60 \cdot 6. All the observations on XX and YY are transformed using the transformations U=2−3XU=2-3 X and V=4Y+1V=4Y+1. The correlation coefficient between the transformed variables UU and VV will be

Options

  1. A−0⋅5-0 \cdot 5
  2. B+0⋅5+0 \cdot 5
  3. C−0⋅6-0 \cdot 6
  4. D+0⋅6+0 \cdot 6

Correct answer

C. −0⋅6-0 \cdot 6

Step-by-step solution

The correct answer is option (C).
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