Mathematics · Statistics
For different datasets, the correlation coefficient (R) and standard deviations S(X) and S(Y) are given below. Estimate the covariance between X and Y for each dataset and arrange them in ascending order. A. R = 0.5, S(X) = 8, S(Y) = 10 B. R = 4/7, S(X) = 7, S(Y) = 9 C. R = 0.7, S(X) = 12, S(Y) = 5 D. R = 19/42, S(X) = 14, S(Y) = 6
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- 1A, C, D, B
- 2B, D, A, C✓
- 3C, B, A, D
- 4B, A, D, C
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B, D, A, C
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