NCERT · Class 11 · Economics · CorrelationIf all points on a scatter diagram lie on a straight line directed from lower left to upper right, the correlation is:
Step-by-Step Solution
When all points lie on a straight line rising from left to right, it represents a perfect positive correlation (r = +1).
Detailed Options Breakdown
Option : Perfect positive (+1) (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: Perfect negative (-1)
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Correlation.
Option 2: Zero
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Correlation.
Option 3: Moderate positive
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.