检查根据表3创建的采样计划(请参见表4)。

Check the sampling plan (see Table 4) created from Table 3.

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调查的整体回覆采样误差率为正负3%，按照种族划分的调查采样误差率为正负5.5%。

The survey's sampling error is plus or minus 3 percentage points for the overall responses and plus or minus 5.5 percentage points for the questions broken down by race.

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西安市疾病预防控制中心对发热学生进行了采样检测，其中14例阳性(男11例，女3例)，确诊为甲型h1n 1流感病例。

Xi 'an Center for Disease Control and Prevention conducted a sampling inspection fever students, of which 14 were positive (11 males and 3 females), diagnosed as influenza a H1N1 influenza cases.

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