正态分布与标准差交互演示
2016-06-12 04:14
本GeoGebra范例直观展示了正态分布曲线及其标准差的变化规律。用户可通过数值滑块动态调整标准差的大小，观察正态分布曲线的形态变化。同时，通过在x轴上拖动点，可实时计算并显示在正负若干个标准差区间内数据所占的百分比。该范例结合了积分与正态分布函数，是理解统计学中标准差意义及经验法则的极佳可视化工具。
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