Probability and Statistics test demonstration system can be common to a variety...

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概率统计试验演示系统，可以进行常见的各种分布演示，中心及限定里演示，二维正态分布演示，画统计图（经验分布图，直方图，核密度图等）-Probability and Statistics test demonstration system can be common to a variety of distribution demonstration centers and qualified in the demonstration of normal distribution of two-dimensional presentation, drawing charts (the experience of distribution maps, histograms, kernel density map, etc.)