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考公日记 | 资料分析(9):混合增长率和混合平均数你会求了吗

  • 2026-09-20 10:17:33
考公日记 | 资料分析(9):混合增长率和混合平均数你会求了吗

这期我们来谈谈混合增长率和混合平均数，两者都可以用线段法来求解

混合增长率

假设一整体有两个部分1和2，部分的增长率分别是r1和r2，混合增长率是r混，有下面的式子

X是增长量，B为基期量

用线段法求解混合增长率——

坐标点：增长率r

比例关系：基期量B

得到下面式子

混合平均数

假设一整体有两个部分1和2，部分的平均数分别是X1和X2，混合平均数是X混，有下面的式子

如果平均数是人均收入，则分母B为人数；如果平均数是日产量，则分母B为天数

用线段法求解混合平均数——

坐标点：平均数X

比例关系：分母B

得到下面式子

-END-

随便聊聊

  • 抢到周深699的票啦

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  14. SELECT * FROM `article` WHERE `id` < 459740 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000625s ]
  15. SELECT * FROM `article` WHERE `id` < 459740 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000604s ]
0.089429s