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Methods 101: Random Sampling

YouTubePew Research Center

Methods 101: Random Sampling

The first video in Pew Research Center's "Methods 101" series helps explain random sampling – a concept that lies at the heart of all probability-based survey research – and why it’s important. Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes, and trends shaping America and the world. We ...

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跳转到 Random Sampling in Research Examples 的关键时刻

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