引用本文:滕曼.2种统计方法在一次实验室间比对中的应用比较[J].环境监控与预警,2014,6(2):18-20
TENG Man.Comparison of Two Statistic Methods in Inter laboratory on BTEX in Water[J].Environmental Monitoring and Forewarning,2014,6(2):18-20
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2种统计方法在一次实验室间比对中的应用比较
滕曼
中国环境监测总站
摘要:
比较了稳健统计法和误差系数法在水中苯系物实验室间比对结果中的应用,分别采用两种方法对比对结果进行了分析,探讨了两种统计方法的差异和适用范围。结果显示,两种方法对此次比对结果的分析结论基本一致,在实际应用中应跟据实验室间比对的目的和样品特点选择合适的统计方法。
关键词:  统计方法  实验室间比对  苯系物  稳健统计法  误差系数法
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基金项目:环保公益性行业科研专项基金资助项目(201209016)
Comparison of Two Statistic Methods in Inter laboratory on BTEX in Water
TENG Man
Abstract:
Robust statistics and error coefficient method were compared in inter laboratorycomparison on BTEX in water. Two methods were used to analyze the testing results and the range of applications were discussed. Results showed that two methods basically came to the sameconclusion. Appropriate statistical methods should bechosen according to the purpose of inter laboratory comparison and the sample characteristics.
Key words:  Statistical method  Inter laboratory comparison  BTEX  Robust statistics  Error coefficient method