NCERT · Class 11 · Economics · CorrelationWhat is the value of Spearman's rank correlation coefficient when ranks are identical?
Step-by-Step Solution
When the ranks of two variables are identical, the difference between ranks (d) is zero, making Spearman's rank correlation coefficient equal to +1.
Detailed Options Breakdown
Option : -1
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Correlation.
Option 1: 0
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Correlation.
Option 2: +1 (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: 0.5
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Correlation.
💡 Study Guide: This question tests core syllabus concepts from Correlation. For formulas, key summaries, and mock exam reference guides, read the full Correlation Revision Notes.