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    How is the strength of a correlation determined?

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    How is the strength of a correlation determined?

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    Correlation is a measure of association between two variables. The variables are not designated as dependent or independent. The two most popular correlation coefficients are: Spearman's correlation coefficient and Pearson's product-moment correlation coefficient.

    When calculating a correlation coefficient for ordinal data, select Spearman's technique. For interval or ratio-type data, use Pearson's technique.

    The value of a correlation coefficient can vary from minus one to plus one. A minus one indicates a perfect negative correlation, while a ...

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    How is the strength of a correlation determined?

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