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What is Understanding Sample Correlation Coefficient about?
The sample correlation coefficient (r) measures the linear association between two random samples of variables X and Y. r is calculated using the means and deviations of the samples and ranges from -1 to 1, where values closer to 1 indicate a stronger positive linear correlation and values closer to -1 indicate a stronger negative linear correlation. While r and R2 measure the strength of the linear fit between variables, r does not directly measure the slope of the relationship or guarantee a correctly spe
- Author
- Leia Seungho
- Language
- EN