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Stem and Leaf Plot

Stem and Leaf Plot
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2016-04-27 13:20
FunctionProbability & StatisticsGraphing
In collections Statistics and Probability with Mr Downes
This example demonstrates how to create a stem and leaf plot using GeoGebra. A stem and leaf plot is a statistical chart used to display the distribution of data. Key mathematical concepts include data grouping, sorting, and statistical analysis. The construction involves commands such as Segment, Point, If, Sequence, Classes, Sort, and StemPlot. Suitable for middle school and above students to learn data statistics and chart drawing.

GeoGebra Commands & Parameters

  1. Segment(E, F) → c
  2. Point(c) → G
  3. Segment(A, B) → b
  4. Point(b) → D
  5. Point(b) → C
  6. If(k ≟ 1, 3, If[k ≟ 2, 4, If[k ≟ 3, 5, If[k ≟ 4, 10]]]) → Interval
  7. If(x(C) ≤ x(D), round(x(D)), round(x(C))) → EndNo
  8. If(x(C) ≤ x(D), round(x(C)), round(x(D))) → StartNo
  9. Sequence(StartNo, EndNo) → Range
  10. Sequence(RandomElement[Range], i, 1, n, 1) → NoList
  11. Classes(NoList, CS, Interval) → CList
  12. Sort(NoList) → SortList
  13. StemPlot(SortList) → text4