The following statement about the correlation coefficient is correct_______
A. The linear correlation coefficient has linear invariance
B. Correlation describes the relationship between two joint events
C. For nonlinear correlation, it can be measured by rank correlation coefficient and Kandel coefficient
D. All of the above are correct
Answer:D
The following statement about the correlation coefficient is correct_______
A. The linear correlation coefficient has linear invariance B. Correlation describes the relationship between two joint events C. For nonlinear correlation, it can be measured by rank correlation coefficient and Kandel coefficient D. All of the above are correct