Worked Example
Applied word problem 8
For Class 11 Economics, explain or solve a meaning of correlation question from the chapter "Correlation". Focus on applied word problem and show the working clearly.
Step-by-step solution path
- Read the topic idea: Meaning of correlation.
- Recall the core explanation from the chapter: Economics syllabus chapter for Class 11.
- Use the related formula "r = Σdx·dy / √(Σdx² × Σdy²)" as the main tool while solving.
- Write the reasoning in simple school-level language before the final answer.
Final learning answer
This example is centred on Meaning of correlation. A strong solution should identify the correct data, apply r = Σdx·dy / √(Σdx² × Σdy²), and explain each transition instead of jumping directly to the answer.
Related formula
r = Σdx·dy / √(Σdx² × Σdy²)
r = Σdx·dy / √(Σdx² × Σdy²)