Statistics: Correlation · Class 11 · CBSE · Commerce Economics
For five pairs of observations, the ranks of X are 1, 2, 3, 4, 5 and the corresponding ranks of Y are 2, 1, 3, 5, 4. Using Spearman's rank correlatio…
Practice question from Statistics: Correlation (Class 11 · CBSE · Commerce Economics), with the correct answer and a step-by-step solution.
medium · MCQ · Q-C50D4B
For five pairs of observations, the ranks of X are 1, 2, 3, 4, 5 and the corresponding ranks of Y are 2, 1, 3, 5, 4. Using Spearman's rank correlation formula, what is the coefficient of rank correlation?
- A.0.20
- B.0.60
- C.0.80Correct answer
- D.1.00
Solution
The squared rank differences are 1, 1, 0, 1, and 1, so . Therefore, .
More from Statistics: Correlation
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