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The correlation values for the perfect linear relationship is option (b) 1 and (d) -1.
Correlation:
Correlation refers the measure that determines the degree to which the movement of two different variables is associated.
Given,
Here we need to find the perfect correlation values that represent the perfect linear relationship between x and y.
Here we know that the perfect linear relationship is indicated by a correlation with a magnitude of 1.
Then the sign of the correlation coefficient is the sign of the slope of the line describing the relationship. And it may be positive or negative.
Therefore, the value -1 and 1 are the perfect values for this one.
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