Measures of dispersion: range

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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
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Other lessons in this sub-strand

1. Analysing geographical data
2. Types and sources of geographical data
3. Frequency distribution
4. Measures of dispersion: range
5. Measures of dispersion: variance
6. Measures of dispersion: standard deviation
7. Compound and cumulative bar graphs
8. Presenting data with proportional circles
9. Divided rectangles and divided bars
10. Interpreting statistical data for planning