I单元统计目录I单元统计..................................................................1I1随机抽样..................................................................1I2用样本估计总体............................................................1I3正态分布.........................
时间:2024-10-09 10:06栏目:中学教育
I单元统计目录I单元统计..................................................................1I1随机抽样..................................................................1I2用样本估计总体............................................................1I3正态分布.........................
时间:2024-10-09 09:26栏目:中学教育