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假设检验示例：105页例4

假设检验示例：105页例4
几何画板及绘图内容加载中，请稍等……
2017-03-09 00:09
解析几何微积分概率统计
①本范例演示假设检验的统计过程与结果可视化；②涉及核心数学概念包括假设检验原理、标准差计算、数据序列处理；③构造要点：运用了RotateText、Sequence、Point、BarChart、Take、Min、Max等GeoGebra命令与对象，如text3、text4、list1等；④适合高中及以上数学学习者，用于理解统计推断方法与工具应用。

GeoGebra 命令及参数

  1. RotateText("y", 0) → text3
  2. RotateText("x", 0) → text4
  3. Sequence(Segment[(-100, i), (100, i)], i, -50, 50, 0.1) → list1
  4. Sequence(Segment[(-100, i), (100, i)], i, -50, 50, 0.5) → list2
  5. Sequence(Segment[(i, -100), (i, 100)], i, -50, 50, 0.1) → list3
  6. Sequence(Segment[(i, -100), (i, 100)], i, -50, 50, 0.5) → list4
  7. Point(xAxis) → A
  8. Point(xAxis) → B
  9. BarChart({0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}, {0.013841287201, 0.071183762748, 0.167790297906, 0.23970042558, 0.231139696095, 0.158495791608, 0.079247895804, 0.029111471928, 0.00779771569500003, 0.00148527918, 0.000190964466000001, 0.0000148803480000001, 5.31440999999999E-7}, 1) → a
  10. Take({0.013841287201, 0.071183762748, 0.167790297906, 0.23970042558, 0.231139696095, 0.158495791608, 0.079247895804, 0.029111471928, 0.00779771569500003, 0.00148527918, 0.000190964466000001, 0.0000148803480000001, 5.31440999999999E-7}, x(A) + 1.5, x(B) + 1.5) → list5
  11. Take({0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}, x(A) + 1.5, x(B) + 1.5) → list6
  12. BarChart(list6, list5, 1) → b
  13. Sequence(12, 12, 0, 12) →
  14. Min(x(Point[xAxis]) + 1.5, x(Point[xAxis]) + 1.5) →
  15. Max(x(Point[xAxis]) + 1.5, x(Point[xAxis]) + 1.5) →