General Studies · Rank Correlation
The correct formula for Spearman's rank correlation coefficient is:
- 11 + 6 ∑ d2N2
- 21 - 6 ∑ d2N
- 31 - 6 ∑ d2N(N2 + 1)
- 41 - 6 ∑ d2N(N2 - 1)✓
Correct answer
1 - 6 ∑ d2N(N2 - 1)
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