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GB 3360-1982 Statistical interpretation of data;Estimation of the mean;Confidence interval (USD) via email in 1-3 business day ABOLISHED
GB 3358-1982 (USD) via email in 1-5 business day ABOLISHED
SN/T 0510-1995 Statistical sampling inspection method of weight and estimate of mean for import and export commodity in uniform packing (USD) via email in 1-3 business day VALID
GB 4086.5-1983 Tables for statistical distributions;Binomial distribution (USD) via email in 1-10 business day VALID
GB/Z 22553-2010 Guidance for the use of repeatability reproducibility and trueness estimates in measurement uncertainty estimation (USD) via email in 1-3 business day VALID
GB/T 6379.4-2006 Accuracy (trueness and precision) of measurement methods and results -Part 4: Basic methods for the determination of the trueness of a standard measurement method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 2829-1987 Sampling procedures and tables for periodic inspection by attributes ( Apply to inspection of stability for productive process) (USD) via email in 1-5 business day ABOLISHED
SN/T 1492-2004 Standard practice for laboratory bias evaluation using single test result from standard material (USD) via email in 1-3 business day ABOLISHED
GB/T 3358.3-2009 Statistics—Vocabulary and symbols—Part 3:Design of experiments (USD) via email in 1-5 business day VALID
GB/T 3358.2-2009 Statistics—Vocabulary and symbols—Part 2:Applied statistics (USD) via email in 1-10 business day VALID
GB/T 17989.2-2020 Control charts—Part 2:Shewhart control charts (USD) via email in 1-5 business day TO BE VALID
GB/T 11792-1989 Precision of test methods-Check the acceptability of test results obtained under repeatability or reproducibility conditions and to determine final test results via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 3358.1-1993 Terms for statistics. Part Ⅰ: Terms for general statistics (USD) via email in 1-5 business day ABOLISHED
GB/T 17989.1-2020 Control charts—Part 1:General guidelines (USD) via email in 1-3 business day TO BE VALID
GB/T 17989.4-2020 Control charts—Part 4:Cumulative sum charts (USD) via email in 1-8 business day TO BE VALID
GB/T 28043-2011 Statistical methods for use in proficiency testing by interlaboratory comparisons (USD) via email in 1-8 business day ABOLISHED
GB/T 8052-1987 Single and multi-level continuous sampling procedures and tables for inspection by attributes (USD) via email in 1-5 business day ABOLISHED
GB/T 4891-2008 Choice of sample size for estimating the average quality of a lot or process (USD) via email in 1-3 business day VALID
GB/T 6380-2019 Statistical interpretation of data—Detection and treatment of outliers in the sample from typeⅠextreme value distribution (USD) via email in 1 business day VALID
GB/T 26823-2011 Acceptance sampling procedures by attributes—Accept-zero sampling system based on credit principle for controlling outgoing quality (USD) via email in 1-3 business day VALID
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