STATISTICAL TECHNIQUES AND TOOLS
CORRELATION COEFFICIENT COEFFICIENT OF DETERMINATION
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Question
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Coefficient of correlation lies between
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0 and +1
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0 and-1
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-1 and +1
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-5 and +5
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Explanation:
Detailed explanation-1: -Karl Pearson’s coefficient of correlation is defined as a linear correlation coefficient that falls in the value range of-1 to +1. Value of-1 signifies strong negative correlation while +1 indicates strong positive correlation.
Detailed explanation-2: -The correlation coefficient is a statistical measure of the strength of a linear relationship between two variables. Its values can range from-1 to 1. A correlation coefficient of-1 describes a perfect negative, or inverse, correlation, with values in one series rising as those in the other decline, and vice versa.
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