一般・規格・基準①

[21-5-3-05] Consideration on assingned value for Proficiency Test and Distribution profile of Test Results

*yoshihisa nakayama¹, Kohei Sawa¹, Kenta Hattori¹, Nobuaki Taira², Katsuhiro Shirono³, Kazuaki Hioki⁴ (1. Kansai Geo and Environment Research Center, 2. Hokkaido Soil Research Cooperative Association, 3. National Institute of Advanced Industrial Science and Technology, 4. Osaka Institute of Technology)

Keywords:Proficiency Testing, assingned value, Normal distribution