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K12（高中数学）统计与统计案例
付费 · 全10集 · 967人在学习
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21:14
1简单随机抽样
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14:59
2系统抽样
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15:40
3分层抽样
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19:42
4用样本的频率分布估计总体分布一
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15:37
5用样本的频率分布估计总体分布二
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15:24
6用样本的数字特征估计总体的数字特征
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16:54
7变量间的相关关系
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17:46
8线性相关分析
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18:39
9独立性检验的基本思想
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12:53
10独立性检验的初步应用
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