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统计调查

Topics in 统计调查

Numbered in the order to learn them.

  1. 定量数据与定性数据

  2. 单变量数据与双变量数据

  3. 抽样：随机、系统与分层抽样

  4. 选择抽样总体

  5. 样本偏倚

  6. 调查问题：结果有偏倚

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