NCERT · Class 11 · Economics · CorrelationThe value of Karl Pearson's coefficient of correlation always lies between:
Step-by-Step Solution
Karl Pearson's coefficient of correlation, denoted by 'r', always lies within the numerical limits of -1 and +1, inclusive.
Detailed Options Breakdown
Option : 0 and 1
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Correlation.
Option 1: -1 and 0
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Correlation.
Option 2: -1 and +1 (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: -inf and +inf
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.