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统计平均数、中位数、众数和极差

统计平均数、中位数、众数和极差
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2016-01-14 22:03
解析几何概率统计几何作图
①本范例演示了如何通过 GeoGebra 展示 2-6 个数字的平均数、中位数、众数和极差；②涉及的核心数学概念包括平均数、中位数、众数、极差等基本统计学概念；③作图要点——从下方『构造摘要』提炼用到了 Point, Segment, Mean, Median, Max, Min, Mode, Element 等命令和对象；④适合初中及以上学生学习和理解基本统计学原理。

GeoGebra 命令及参数

  1. Point(xAxis) → B
  2. Point(xAxis) → C
  3. Point(xAxis) → D
  4. Point(xAxis) → E
  5. Point(xAxis) → F
  6. Segment(A, G) → h
  7. Segment(B, H) → i
  8. Segment(C, I) → j
  9. Segment(D, J) → k
  10. Segment(E, K) → l
  11. Segment(F, L) → p
  12. Mean({a, b}) → o
  13. Segment(M, N) → q
  14. Mean({a, b, c}) → g_3
  15. Segment(O, P) → r
  16. Mean({a, b, c, d}) → g_4
  17. Segment(Q, R) → s
  18. Mean({a, b, c, d, e}) → g_5
  19. Segment(S, T) → t
  20. Mean({a, b, c, d, e, f}) → g_6
  21. Segment(U, V) → a_1
  22. Median({a, b}) → m_2
  23. Median({a, b, c}) → m_3
  24. Median({a, b, c, d}) → m_4
  25. Median({a, b, c, d, e}) → m_5
  26. Median({a, b, c, d, e, f}) → m_6
  27. Segment(W, Z) → b_1
  28. Segment(A_1, B_1) → c_1
  29. Segment(C_1, D_1) → d_1
  30. Segment(E_1, F_1) → e_1
  31. Segment(G_1, H_1) → f_1
  32. Max(a, b) → max_2
  33. Min(a, b) → min_2
  34. Segment(J_1, I_1) → g_1
  35. Max({a, b, c}) → max_3
  36. Max({a, b, c, d}) → max
  37. Max({a, b, c, d, e}) → max_5
  38. Max({a, b, c, d, e, f}) → max_6
  39. Min({a, b, c}) → min_3
  40. Min({a, b, c, d}) → min_4
  41. Min({a, b, c, d, e}) → min_5
  42. Min({a, b, c, d, e, f}) → min_6
  43. Segment(L_1, K_1) → h_1
  44. Max({a, b, c, d}) → max_4
  45. Segment(M_1, N_1) → i_1
  46. Segment(O_1, P_1) → j_1
  47. Segment(Q_1, R_1) → k_1
  48. Mode(Liste5) → Typetall5
  49. Max(Typetall5) → Maks5
  50. Min(Typetall5) → Min5
  51. Segment(T_1, U_1) → l_1
  52. Segment(S_1, V_1) → m_1
  53. Mode(Liste6) → Typetall6
  54. Max(Typetall6) → Maks6
  55. Min(Typetall6) → Min6
  56. Segment(W_1, A_2) → n_1
  57. Segment(B_2, Z_1) → p_1
  58. Mode(Liste4) → Typetall4
  59. Max(Typetall4) → Maks4
  60. Min(Typetall4) → Min4
  61. Segment(D_2, E_2) → q_1
  62. Segment(F_2, C_2) → r_1
  63. Mode(Liste3) → Typetall3
  64. Max(Typetall3) → Maks3
  65. Segment(G_2, H_2) → s_1
  66. Element(Typetall6, 2) → Midt6
  67. Segment(I_2, J_2) → t_1