In correlation, both variables are______________?
Correct answer: A. Random
- A. Random
- B. Fixed
- C. Non-random
- D. Experimental
Explanation
In correlation analysis, x and y are treated symmetrically as random variables, and their joint variation is studied. In simple regression, one variable is commonly treated as the dependent variable, which distinguishes the two methods.
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Practise Correlation and Regression
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