Q. If the coefficient of determination is equal to 1, then the correlation coefficient _______ (Solved)
1. must also be equal to 1
2. can be either -1 or +1
3. can be any value between -1 to +1
4. must be -1
- b. can be either -1 or +1
1. must also be equal to 1
2. can be either -1 or +1
3. can be any value between -1 to +1
4. must be -1