Let the two regression lines be given as: 3x = 10 + 5y and 4y = 5 + 15x. Then the correlation coefficient between x and y is
A. – 0.40
B. 0.40
C. 0.89
D. + 1.05
Answer:B
Let the two regression lines be given as: 3x = 10 + 5y and 4y = 5 + 15x. Then the correlation coefficient between x and y is
A. – 0.40 B. 0.40 C. 0.89 D. + 1.05