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| Q. |
If the coefficient of determination is equal to 1, then the correlation coefficient |
| A. | must also be equal to 1 |
| B. | can be either -1 or +1 |
| C. | can be any value between -1 to +1 |
| D. | must be -1 |
| Answer» B. can be either -1 or +1 | |
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