Question

the two regression lines coincide with each other then​

Answer 1

Answer:

Step-by-step explanation: Answer = The two lines of regression coincide i.e. become identical when r = –1 or 1 or in other words, there is a perfect negative or positive correlation between the two variables under discussion. (v) The two lines of regression are perpendicular to each other when r = 0.

Step-by-step explanation:

i