GB/T 14438-1993
AbolishedLower confidence limit of normal probability within specified limits
定限内正态概率的置信下限
Application Summary AI generated
This standard provides a statistical method for calculating the lower confidence limit of the probability that a normally distributed variable falls within specified upper and lower boundaries. It is applied in quality control and reliability engineering contexts, such as assessing the proportion of manufactured products or components that meet tolerance specifications with a given confidence level. The standard is used by engineers and statisticians to make data-driven decisions about process capability and product acceptance.
Related Standards
GB/T 2828.1-2012
Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 19011-2013
Guidelines for auditing management systems
GB/T 19000-2008/ISO 9000:2005
Quality management systems - Fundamentals and vocabulary
GB/T 19004-2011
Managing for the sustained success of an organization — Quality management approach
GB/T 2828.1-2003
Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
GB/T 19022-2003
Measurement management systems--Requirements for measurement processes and measuring equipment
GB/T 6379.1-2004
Accuracy(trueness and precision)of measurement methods and results--Part 1:General principles and definitions
GB/T 6379.2-2004
Accuracy(trueness and precision)of measurement methods and results--Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.