The seed courses were deming s lectures in statistical methodology 1950 and juran s courses on management of quality control 1954 起始于1950年deming戴明教授的统计方法课程，以及1954年juran裘兰教授的品质管理课程。
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This paper is to appraise the performance evaluation by dirfei analysis and examine the result of it by statistical methodology . company rank keeps the same with financial benefits and d evelopment potential 同时，为论证指标体系的科学性，本文通过主成分分析法及德尔菲法对房地产上市公司的绩效进行了综合评价，并利用数理统计方法对评价结果进行了检验和分析。
