Pearson's correlation coefficient

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The most frequently used method to determine the strength of the relationship between two variables. The correlation coefficient is between -−1 and 1; if there is a positive relationship, the coefficient is 1 and if there is a negative relationship the coefficient is -1. For example, if the statement that the taller an individual the more he would weigh were always true, the coefficient would be 1 since as the height increased, the weight would always increase.

Subjects: Marketing.

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