The text is interesting because it transforms measurement from a passive observation ("The number is 5.0") into a probabilistic legal argument ("I have proven with 95% confidence that the number is within limits"). It forces engineers to acknowledge that and provides a strict mathematical framework for handling that ambiguity.
A part conforms if the true value of the characteristic lies between LSL and USL. INTERNATIONAL STANDARD ISO 14253 1.pdf
ISO 14253-1:2017 is the primary international standard for Geometrical Product Specifications (GPS) The text is interesting because it transforms measurement
Stop guessing. Measure intelligently. Decide defensibly. INTERNATIONAL STANDARD ISO 14253 1.pdf