2种统计方法在一次实验室间比对中的应用比较  

Comparison of Two Statistic Methods in Inter-laboratory on BTEX in Water

作　　者：滕曼[1] 杨婧[1] 付强[1] 

机构地区：[1]中国环境监测总站国家环境保护环境监测质量控制重点实验室,北京100012

出　　处：《环境监控与预警》2014年第2期18-20,29,共4页Environmental Monitoring and Forewarning

基　　金：环保公益性行业科研专项基金资助项目(201209016)

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。Robust statistics and error coefficient method were compared in inter-laboratorycomparison on BTEX in water.Two meth-ods 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.

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 

分 类 号：X830.2[环境科学与工程—环境工程]