### Possible Answer

The Pearson product-moment correlation coefficient (or Pearson correlation coefficient, for short) is a measure of the strength of a linear association between two variables and is denoted by r. ... If you have ordinal data, ... - read more

Remember that the Pearson product moment correlation coefficient required quantitative (interval or ratio) data for both x and y whereas the Spearman rho correlation coefficient applied to ranked (ordinal) data for both x and y. - read more

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