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标准分数比较

标准分数比较
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2018-07-25 02:29
函数数列概率统计
该范例演示了标准分数的比较，涉及统计学中的标准分数概念。通过使用GeoGebra命令，用户可以观察不同数据集的标准分数分布情况。主要使用了Sequence, Element, If等命令。适合高中及以上学生或教师使用，帮助理解标准分数在统计分析中的应用。

GeoGebra 命令及参数

  1. Sequence(afn(k), k, -2.3, 2.3, 0.2) → AFnSq, {-2.3, -2.0999999999999996, -1.8999999999999997, -1.6999999999999997, -1.4999999999999998, -1.2999999999999998, -1.0999999999999999, -0.8999999999999999, -0.7, -0.49999999999999994, -0.29999999999999993, -0.09999999999999992, 0.10000000000000009, 0.3000000000000001, 0.5000000000000001, 0.7000000000000002, 0.9000000000000001, 1.1, 1.3, 1.5, 1.7, 1.9, 2.1, 2.3000000000000003}
  2. Sequence(bfn(k), k, -2.3, 2.3, 0.2) → BFnSq, {-2.2, -2.2, -1.8, -1.8, -1.4000000000000001, -1.4000000000000001, -1.0000000000000002, -1.0000000000000002, -0.6000000000000001, -0.6000000000000001, -0.2, -0.2, 0.2, 0.2, 0.6000000000000001, 0.6000000000000001, 1, 1, 1.4000000000000001, 1.4000000000000001, 1.8, 1.8, 2.2, 2.2}
  3. Sequence(Mod[5 + (10 * k), 23] + 1, k, 0, 23) → OpSq, {6, 16, 3, 13, 23, 10, 20, 7, 17, 4, 14, 1, 11, 21, 8, 18, 5, 15, 2, 12, 22, 9, 19, 6}
  4. Element(OpSq, Mod[Seed, 24] + 1) → Op1
  5. Element(AFnSq, Op1) → AZ1
  6. Element(BFnSq, Op1) → BZ1
  7. Element(BSbSq, PrSt) → BSb
  8. Element(ASbSq, PrSt) → ASb
  9. Element(AMnSq, PrSt) → AAvg
  10. Element(ASDSq, PrSt) → AStDv
  11. Element(AAcSq, PrSt) → AAc
  12. If(AZ1 < 0, floor(((AAvg + (AZ1 * AStDv)) * ARF)) / ARF, ceil(((AAvg + (AZ1 * AStDv)) * ARF)) / ARF) → AVal
  13. Element(BMnSq, PrSt) → BAvg
  14. Element(BSDSq, PrSt) → BStDv
  15. Element(BAcSq, PrSt) → BAc
  16. If(BZ1 < 0, Min[ceil(((BAvg + (BZ1 * BStDv)) * BRF)) / BRF, BAvg - BRF], Max[floor(((BAvg + (BZ1 * BStDv)) * BRF)) / BRF, BAvg + BRF]) → BVal
  17. If(AZ2 > BZ2, ASb, BSb) → Wnr
  18. If(AZ2 > BZ2, BSb, ASb) → Lsr
  19. If(AZ2 > BZ2, BZ2, AZ2) → LZ
  20. If(AZ2 > BZ2, AZ2, BZ2) → WZ
  21. If(AbsLZ ≟ 1, "", "s") → plrtx1
  22. Element(PSSq, PrSt) → PS0
  23. If(AbsWZ ≟ 1, "", "s") → plrtx2
  24. If(WZ > 0, PsEx, NgEx) → Exp
  25. Element(AnSq, PrSt) → An0
  26. Sequence(Element[AFnSq, k] - Element[BFnSq, k], k, 1, 24) → DffSq, {-0.09999999999999964, 0.10000000000000053, -0.09999999999999964, 0.10000000000000031, -0.09999999999999964, 0.10000000000000031, -0.09999999999999964, 0.10000000000000031, -0.09999999999999987, 0.10000000000000014, -0.09999999999999992, 0.10000000000000009, -0.09999999999999992, 0.10000000000000009, -0.09999999999999998, 0.10000000000000009, -0.09999999999999987, 0.10000000000000009, -0.10000000000000009, 0.09999999999999987, -0.10000000000000009, 0.09999999999999987, -0.10000000000000009, 0.10000000000000009}
  27. Element(ClcSq, PrSt) → Clc0