Correlation coefficients are indicators of the strength of the linear relationship between two different variables, x and y. A linear correlation coefficient that is greater than zero indicates a ...

The New York Times Economix blog found "a very strong positive correlation between income and test scores," which they illustrate in the above graph comparing SAT scores to family income. In a ...

The correlation between bitcoin and equities has evolved from non-correlated to a positive correlation since 2020. The heightened positive correlation during market volatility implies that bitcoin is ...