About Lesson
1. Understanding Data
- Types of data: Categorical vs. Numerical
- Population vs. Sample
- What is a population?
- Why do we take a sample?
- How does sample size affect results?
- Bias in data collection (How to ensure fair representation)
2. Data Representation
- Frequency tables and Tally marks
- Bar graphs and pictographs
- Pie charts (percentages in data)
- Line graphs (showing trends over time)
- Histograms (introduction)
3. Measures of Central Tendency
- Mean, Median, Mode (with real-life applications)
- Comparing different measures and when to use them
4. Interpreting Data and Making Conclusions
- Identifying trends and patterns
- Drawing conclusions from graphs and tables
- Understanding misleading data (how statistics can be misused)