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平均值、方差与标准差的计算及正态分布

平均值、方差与标准差的计算及正态分布
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2019-10-28 04:41
解析几何概率统计
本范例演示如何计算平均值、方差与标准差，并展示正态分布。核心数学概念包括平均值、方差、标准差和正态分布。通过使用GeoGebra命令如OrthogonalLine、Point、Intersect等，可以直观地理解这些概念。适合高中数学教学和学习。

GeoGebra 命令及参数

  1. OrthogonalLine(A, xAxis) → a
  2. OrthogonalLine(B, xAxis) → b
  3. OrthogonalLine(C, xAxis) → c
  4. OrthogonalLine(E, xAxis) → d
  5. OrthogonalLine(F, xAxis) → e
  6. OrthogonalLine(D, xAxis) → f
  7. Point(xAxis) → G
  8. OrthogonalLine(G, xAxis) → g
  9. OrthogonalLine(A, g) → h
  10. Intersect(g, h) → H
  11. Distance(A, H) → distanceAH
  12. OrthogonalLine(C, g) → m
  13. OrthogonalLine(E, g) → n
  14. Distance(C, g) → distanceCg
  15. Intersect(g, m) → K
  16. Polygon(K, C, 4) → poly2, p, q, r, s, L, M
  17. Intersect(n, g) → N
  18. Polygon(N, E, 4) → poly3, t, a_1, b_1, c_1, O, P
  19. Polygon(H, A, 4) → poly1, i, j, k, l, I, J
  20. OrthogonalLine(F, g) → d_1
  21. Intersect(g, d_1) → Q
  22. Polygon(Q, F, 4) → poly4, e_1, f_1, g_1, h_1, R, S
  23. OrthogonalLine(D, g) → i_1
  24. Intersect(g, i_1) → T
  25. Polygon(T, D, 4) → poly5, j_1, k_1, l_1, m_1, U, V
  26. OrthogonalLine(B, g) → n_1
  27. Intersect(g, n_1) → W
  28. Polygon(W, B, 4) → poly6, p_1, q_1, r_1, s_1, Z, A_1
  29. LaTeX(xav, true, true) → text1
  30. LaTeX(ssq, true, true) → text2
  31. Intersect(a, xAxis) → D_1
  32. Intersect(e, xAxis) → E_1
  33. Intersect(f, xAxis) → F_1
  34. Intersect(b, xAxis) → G_1
  35. Intersect(d, xAxis) → H_1
  36. Intersect(c, xAxis) → I_1
  37. OrthogonalLine(B_1, xAxis) → t_1
  38. LaTeX(var, true, true) → text4
  39. LaTeX(sd, true, true) → text5