What is Pearson's correlation coefficient denoted as?
r
p
g
b
Answer
Pearson’s correlation coefficient, commonly known as r, quantifies the strength and direction of a linear relationship between two numerical variables. It ranges between -1 and 1, where -1 indicates a perfect negative relationship, 0 indicates no relationship, and 1 indicates a perfect positive relationship. As r approaches either -1 or 1, the relationship between the variables becomes more robust and predictable.
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