If your correlation coefficient is based on sample data, you’ll need an inferential statistic if you want to generalize your results to the population. A correlation coefficient is a bivariate statistic when it summarizes the relationship between two variables, and it’s a multivariate statistic when you have more than two variables. That means that it summarizes sample data without letting you infer anything about the population. Summarizing dataĪ correlation coefficient is a descriptive statistic. What does a correlation coefficient tell you?Ĭorrelation coefficients summarize data and help you compare results between studies.
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