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Two variates, x and y, are uncorrelated and have standard
deviations xσ and yσ respectively. What is the correlation
coefficient between x+y and x-y?
Two variates, x and y, are uncorrelated and have standard deviations xσ and yσ respectively. What is the correlation coefficient between x+y and x-y?
Options
Correct Answer
A. x y 2 2 x y σ σ σ + σ
- Exam
- NDA
- Language
- English
- Year
- 2016
- Difficulty
- 1/5
- Section
- Mathematics
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