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Calculate Interquartile Range

Calculate Interquartile Range
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2012-09-20 17:48
Coordinate GeometryProbability & Statistics
This example demonstrates calculating the interquartile range by identifying striking deviations in data. Key mathematical concepts include data sorting, quartiles, and interquartile range. GeoGebra commands such as TextField, Polygon, Segment, and Sort are used for data sorting and graphical representation. Suitable for middle school and above students to learn data statistics and analysis.

GeoGebra Commands & Parameters

  1. Textfield(d1) → inputD1
  2. Polygon((0, 11), (If[showSteps > t0, t1, t2], 11), (If[showSteps > t0, t1, t2], 12), (0, 12)) → tableHeader, b, c, d, e
  3. Segment((0, 10), (If[showSteps > t0, t1, t2], 10)) → f
  4. Segment((0, 9), (If[showSteps > t0, t1, t2], 9)) → g
  5. Segment((0, 8), (If[showSteps > t0, t1, t2], 8)) → h
  6. Segment((0, 7), (If[showSteps > t0, t1, t2], 7)) → i
  7. Segment((0, 6), (If[showSteps > t0, t1, t2], 6)) → j
  8. Segment((0, 5), (If[showSteps > t0, t1, t2], 5)) → k
  9. Segment((0, 4), (If[showSteps > t0, t1, t2], 4)) → l
  10. Segment((0, 3), (If[showSteps > t0, t1, t2], 3)) → m
  11. Segment((t1, 3), (t1, 12)) → s
  12. Textfield(d2) → inputD2
  13. Textfield(d3) → inputD3
  14. Textfield(d4) → inputD4
  15. Textfield(d5) → inputD5
  16. Textfield(d6) → inputD6
  17. Textfield(d7) → inputD7
  18. Textfield(d8) → inputD8
  19. Sort({d1, d2, d3, d4, d5, d6, d7, d8, d9, d10, d11}) → ordered
  20. Circle((14.837735849056603, 3.6924302788844643), 0.5) → orderedOvalMaster
  21. Segment((0, 2), (If[showSteps > t0, t1, t2], 2)) → a
  22. Segment((0, 1), (If[showSteps > t0, t1, t2], 1)) → r
  23. Segment((0, 0), (If[showSteps > t0, t1, t2], 0)) → t
  24. Segment((2, 0), (2, 12)) → q
  25. Segment((0, 0), (0, 11)) → n
  26. Segment((If[showSteps > t0, t1, t2], 0), (If[showSteps > t0, t1, t2], 11)) → p
  27. Textfield(d9) → inputD9
  28. Textfield(d10) → inputD10
  29. Textfield(d11) → inputD11