直方图与频率多边形

GeoGebra 命令及参数

1. Polygon(O, A, B, P) → poly1, o, a, b, p
2. Polygon(P, C, D, N) → poly2, p_1, c, d, n
3. Polygon(N, E, F, M) → poly3, n_1, e, f, m
4. Polygon(M, G, H, L) → poly4, m_1, g, h, l
5. Polygon(L, I, J, K) → poly5, l_1, i, j, k
6. Midpoint(A, B) → Q
7. Midpoint(C, D) → R
8. Midpoint(E, F) → S
9. Midpoint(G, H) → T
10. Midpoint(I, J) → U
11. Point(xAxis) → V
12. Point(xAxis) → W
13. Midpoint(O, V) → Z
14. Midpoint(K, W) → A_1
15. Polygon(Z, Q, R, S, T, U, A_1) → poly6, z, q, r, s, t, u, a_1