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选择样本的基本要求有:明确规定______________、取样的随机性、取样的代表性和合理的______________。
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选择样本的基本要求有:明确规定______________、取样的随机性、取样的代表性和合理的______________。
时间:2021-09-02 15:24
关键词:
联大
玉林师范学院
幼儿教育科研方法
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总体@#@样本容量。
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