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Question
If rxy = 0 the variable X and Y are ______
Options
linearly related
not linearly related
independent
Solution
If rxy = 0 the variables X and Y are not linearly related.
Explanation:
The value of rxy becomes 0 when the two variables are not linearly related to each other. It may happen that both the variables may be non-linearly related to each other. It does not necessarily imply that both are independent of each other.
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