Mathematics · Correlation Coefficient
The Pearson's correlation coefficient between given variables X and Y is -0.8. If each observation of X is halved and each observation of Y is doubled, then the new Pearson's correlation coefficient will be equal to:
- 1-0.82
- 2-0.79
- 3-0.80✓
- 4-0.81
Correct answer
-0.80
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