Worked Example
Revision challenge 9
For Class 11 Economics, explain or solve a arithmetic mean question from the chapter "Measures of Central Tendency". Focus on revision challenge and show the working clearly.
Step-by-step solution path
- Read the topic idea: Arithmetic mean.
- Recall the core explanation from the chapter: Economics syllabus chapter for Class 11.
- Use the related formula "Mean = ΣX/N" 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 Arithmetic mean. A strong solution should identify the correct data, apply Mean = ΣX/N, and explain each transition instead of jumping directly to the answer.
Related formula
Mean = ΣX/N
Mean = ΣX/N