"80.44% of respondents"不等于80.44%的美国人
所有跟帖:
• 说得有理。估计respondents人群难以代表所有美国人。除了人口普查,恐怕没法每个美国人都问到。 -吃与活- ♂ (0 bytes) () 01/21/2015 postreply 14:30:48
• 说得有理。估计respondents人群难以代表所有美国人。除了人口普查,恐怕没法每个美国人都问到。 -吃与活- ♂ (0 bytes) () 01/21/2015 postreply 14:30:48
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