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| Q. |
If ππ ΰ΅ ππ, ππ ΰ΅ ππ, and bxy = - 0.8, then the value of correlation coefficient (r) is |
| A. | - 0.84 |
| B. | - 0.96 |
| C. | - 0.75 |
| D. | 0.86 |
| AnswerΒ» B. - 0.96 | |
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