累积频率分布

累积频率分布
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2020-04-12 04:21
①本范例演示如何通过GeoGebra绘制累积频率分布图;②涉及的核心数学概念包括频率分布、统计学、散点图、线性方程;③作图要点:使用Random, Min, Max, Textfield, Segment, CountIf等命令,对象包括A1至A11, B1至B11, C1至C11等,构建数据点和累积频率线;④适合高中统计课程教学或数据分析入门学习。

GeoGebra 命令及参数

  1. Random(50, 99) → A1
  2. Random(50, 99) → B1
  3. Random(50, 99) → C1
  4. Random(50, 99) → C2
  5. Random(50, 99) → B2
  6. Random(50, 99) → A2
  7. Random(50, 99) → A3
  8. Random(50, 99) → B3
  9. Random(50, 99) → C3
  10. Random(50, 99) → C4
  11. Random(50, 99) → B4
  12. Random(50, 99) → A4
  13. Random(50, 99) → A5
  14. Random(50, 99) → B5
  15. Random(50, 99) → C5
  16. Random(50, 99) → C6
  17. Random(50, 99) → B6
  18. Random(50, 99) → A6
  19. Random(50, 99) → A7
  20. Random(50, 99) → B7
  21. Random(50, 99) → C7
  22. Random(50, 99) → C8
  23. Random(50, 99) → B8
  24. Random(50, 99) → A8
  25. Random(50, 99) → A9
  26. Random(50, 99) → B9
  27. Random(50, 99) → C9
  28. Random(50, 99) → C10
  29. Random(50, 99) → B10
  30. Random(50, 99) → A10
  31. Random(50, 99) → A11
  32. Random(50, 99) → B11
  33. Random(50, 99) → C11
  34. Random(50, 99) → C12
  35. Random(50, 99) → B12
  36. Random(50, 99) → A12
  37. Random(50, 99) → A13
  38. Random(50, 99) → B13
  39. Random(50, 99) → C13
  40. Random(50, 99) → C14
  41. Random(50, 99) → B14
  42. Random(50, 99) → A14
  43. Random(50, 99) → A15
  44. Random(50, 99) → B15
  45. Random(50, 99) → C15
  46. Min(Data) → min
  47. Max(Data) → max
  48. Textfield(lower1) → InputBox1
  49. Textfield(lower2) → InputBox2
  50. Textfield(lower3) → InputBox3
  51. Textfield(lower4) → InputBox4
  52. Textfield(lower5) → InputBox5
  53. Textfield(lower6) → InputBox6
  54. Textfield(upper1) → InputBox7
  55. Textfield(upper2) → InputBox8
  56. Textfield(upper3) → InputBox9
  57. Textfield(upper4) → InputBox10
  58. Textfield(upper5) → InputBox11
  59. Textfield(upper6) → InputBox12
  60. Segment(A, B) → f
  61. Segment(C, D) → g
  62. Textfield(lboundary1) → InputBox13
  63. Textfield(lboundary2) → InputBox14
  64. Textfield(lboundary3) → InputBox15
  65. Textfield(lboundary4) → InputBox16
  66. Textfield(lboundary5) → InputBox17
  67. Textfield(lboundary6) → InputBox18
  68. Textfield(uboundary1) → InputBox19
  69. Textfield(uboundary2) → InputBox20
  70. Textfield(uboundary3) → InputBox21
  71. Segment(E, F) → h
  72. Textfield(frequency1) → InputBox25
  73. Textfield(frequency2) → InputBox26
  74. Textfield(frequency3) → InputBox27
  75. Textfield(frequency4) → InputBox28
  76. Textfield(frequency5) → InputBox29
  77. Textfield(frequency6) → InputBox30
  78. Textfield(uboundary4) → InputBox22
  79. Textfield(uboundary5) → InputBox23
  80. Textfield(uboundary6) → InputBox24
  81. CountIf(l1 ≤ x ≤ u1, Data) → f1

AI 绘图提示语参考

绘制一个累积频率分布图。首先在坐标平面上生成若干随机数据点,这些点的横纵坐标均在50到99之间,形成散点图。然后计算这些数据的最小值和最大值,用于确定坐标轴范围。接着,根据数据点绘制累积频率折线,从最小值开始,逐步累加每个区间内的数据点数量,直到最大值,形成一条上升的阶梯状或平滑曲线。最后,在图形旁添加一个文本输入框,用于调整分组下限,以便动态观察累积频率分布的变化。整体图形应包含散点、累积频率曲线和交互输入框。
以上提示语为根据原始绘图命令整理而来,仅供参考。