Sampling methods in geographical investigation

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• 8 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. Collecting and analysing geographical data
2. Presenting and interpreting data
3. Types and sources of geographical data in Kenya
4. Methods of collecting geographical data
5. Sampling methods in geographical investigation
6. Recording data in frequency tables
7. Mean, median and mode from Kenyan data
8. Range, spread and choosing the right measure
9. Bar graphs and line graphs with Kenyan data
10. Pie charts and divided bars: Kenya's energy mix
11. Statistical maps: choropleth, dot and flow
12. Interpreting Kenyan statistics and drawing conclusions