STATISTICAL TECHNIQUES AND TOOLS
CORRELATION COEFFICIENT COEFFICIENT OF DETERMINATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If the coefficient of determination is equal to 1, then the correlation coefficient
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must also be equal to 1
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can be either-1 or +1
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can be any value between-1 to +1
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must be-1
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Explanation:
Detailed explanation-1: -Since, the coefficient of determination is square of the correlation coefficient, when the value of coefficient of determination is 1 the value of correlation coefficient can either be-1 or +1.
Detailed explanation-2: -The Pearson correlation coefficient (r) is used to identify patterns in things whereas the coefficient of determination (R²) is used to identify the strength of a model.
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