Learn about the negative correlation coefficient, its significance, comparison with other coefficients, and real-world ...

Correlation coefficients range from -1 to +1, indicating the strength of relationships between variables. Investors use correlation coefficients for portfolio diversification to reduce risk.

Analyzing the Mini-Cog score as a continuous variable, it was found to have a nearly linear negative correlation with POD risk: for each 1-point increase in the score, the risk of POD decreased by 23% ...