RG 5.36-74 相关标准章节.docxVIP

Publication Date: 6/1/74  Pages: 2  Date Entered: 2/22/84  Title: RECOMMENDED PRACTICE FOR DEALING WITH OUTLYING OBSERVATIONS  June 1974  U.S. ATOMIC ENERGY COMMISSION  REGULATORY GUIDE  DIRECTORATE OF REGULATORY STANDARDS  REGULATORY GUIDE 5.36  RECOMMENDED PRACTICE FOR DEALING WITH OUTLYING OBSERVATIONS A. INTRODUCTION  Section 70.51, Material Balance, Inventory, and Records  Requirements, of 10 CFR Part 70, Special Nuclear Material, requires  certain licensees authorized to possess special nuclear material to  establish and maintain sufficient written material control and  accounting procedures to enable the licensee to account for the special  nuclear material in his possession. Section 70.22, Contents of  Applications, requires applicants for certain AEC licenses for special  nuclear material to submit to the Commission as part of the application  a full description of such procedures, including recording, reporting,  physical inventory, and measurement procedures for special nuclear  material. Essential to satisfactory material control and accounting  procedures are measurement and statistical control. This guide  identifies methods and procedures acceptable to the Regulatory staff for  dealing with the problem of outlying observations in samples and for  testing their statistical significance. B. DISCUSSION  Committee E-11 on Statistical Methods of the American Society for  Testing and Materials (ASTM) has revised a standard that deals with the  problem of outlying observations in samples and how to test their  statistical significance. An outlying observation, or outlier, is one  that appears to deviate markedly from other members of the sample in  which it occurs. In this connection, the following two alternatives are  of interest: 1. An outlying observation may be merely an extreme manifestation of  the random variability inher