Median of grouped data

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• 7 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. What statistics is
2. Primary and secondary data
3. Methods of collecting data
4. Types of data
5. A frequency table for ungrouped data
6. Mode and median of ungrouped data
7. Mean of ungrouped data
8. Mean from a frequency table
9. Grouping data into classes
10. Class limits, boundaries, width and midpoint
11. Modal class and the mean of grouped data
12. Median of grouped data
13. Histograms with equal class widths
14. Histograms with unequal class widths
15. Frequency polygons
16. Interpreting data, and the statistics project