Manju claims, “By the time children reach class IX, most prefer science to mathematics.” What data is needed to test Manju’s statement? How would you gather it, record it, and analyse it to draw conclusions?

Manju's claim about students' preferences between science and mathematics in class IX requires a systematic approach to gather relevant data, record it accurately, and analyze it effectively. To test her statement, several types of data need to be collected:

### Data Needed:
1. Demographic Information:
   - Age, gender, socio-economic background.
   - School location (urban, rural, etc.).
   
2. Preference Survey:
   - A survey asking students to rank their preference between science and mathematics.
   - Reasons for their preferences (optional but insightful).

3. Academic Performance Records:
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