Worked Example
Exam recap 10
For Class 11 Economics, explain or solve a karl pearson's method question from the chapter "Correlation". Focus on exam recap and show the working clearly.
Step-by-step solution path
- Read the topic idea: Karl Pearson's method.
- 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 Karl Pearson's method. 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)