Haievskyi, O.; Kvasnytskyi, V.; Haievskyi, V.; Szymura, M.
(Чернігів : НУ "Чернігівська політехніка", 2023)
The range of natural dispersion of the controlled indicator x contains 99.73% of all possible values and has a width of 3𝜎 from the center of the manufacturing process setting (𝜇) towards the upper allowable value (USL) ...