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Exploring Mean and Median

Exploring Mean and Median
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2017-11-28 17:32
Coordinate GeometryProbability & Statistics
This example demonstrates the concepts of mean and median through dynamic graphics. It involves core statistical concepts and uses GeoGebra commands like Point and DynamicCoordinates to construct the graph. Suitable for middle school and above students to learn statistics and data analysis.

GeoGebra Commands & Parameters

  1. Point(xAxis) → A
  2. Point(xAxis) → D
  3. Point(xAxis) → C
  4. Point(xAxis) → B
  5. Point(xAxis) → E
  6. Point(xAxis) → F
  7. Point(xAxis) → G
  8. Point(xAxis) → H
  9. Point(xAxis) → I
  10. Point(xAxis) → J
  11. Point(xAxis) → K
  12. Point(xAxis) → L
  13. DynamicCoordinates(A, x(A), CountIf[x(A) ≟ x(P), P, {B, C, D, E, F, G, H, I, J, K, L}]) → A_d
  14. DynamicCoordinates(B, x(B), CountIf[x(B) ≟ x(P), P, {C, D, E, F, G, H, I, J, K, L}]) → B_d
  15. DynamicCoordinates(C, x(C), CountIf[x(C) ≟ x(P), P, {D, E, F, G, H, I, J, K, L}]) → C_d
  16. DynamicCoordinates(D, x(D), CountIf[x(D) ≟ x(P), P, {E, F, G, H, I, J, K, L}]) → D_d
  17. DynamicCoordinates(E, x(E), CountIf[x(E) ≟ x(P), P, {F, G, H, I, J, K, L}]) → E_d
  18. DynamicCoordinates(F, x(F), CountIf[x(F) ≟ x(P), P, {G, H, I, J, K, L}]) → F_d
  19. DynamicCoordinates(G, x(G), CountIf[x(G) ≟ x(P), P, {H, I, J, K, L}]) → G_d
  20. DynamicCoordinates(H, x(H), CountIf[x(H) ≟ x(P), P, {I, J, K, L}]) → H_d
  21. DynamicCoordinates(I, x(I), CountIf[x(I) ≟ x(P), P, {J, K, L}]) → I_d
  22. DynamicCoordinates(J, x(J), CountIf[x(J) ≟ x(P), P, {K, L}]) → J_d
  23. DynamicCoordinates(K, x(K), CountIf[x(K) ≟ x(P), P, {L}]) → K_d
  24. DynamicCoordinates(L, x(L), 0) → L_d