PPDAC is a framework used in statistical analysis, standing for Problem, Plan, Data, Analysis, and Conclusion. Here are three examples to illustrate this method:
### Example 1: Examining the Effect of Study Hours on Exam Scores
1. **Problem**: Does the number of hours a student studies affect their exam scores?
2. **Plan**:
- Define a hypothesis that increased study hours lead to higher exam scores.
- Decide to collect data from a


