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作为统计调查主体的抽样调查已被广泛应用,由样本偏倚造成的系统性非抽样误差在各类误差中占突出位置。文章分析了样本偏倚在统计实务中的各种类型及表现形式,提出减小这类误差的相关做法。
Sampling surveys have been widely used as the main body of statistical surveys. The systematic non-sampling errors caused by sample biases occupy a prominent position in all kinds of errors. The article analyzes various types and manifestations of sample bias in statistical practice, and proposes relevant methods to reduce such errors.