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Quality

10 tools in 5 sections. Each tool page shows the method with the numbers substituted, its references and the published examples it reproduces.

Control 4

SPC and Capability Shewhart control charts and process capability from pasted measurements: X̄–R, X̄–s and I–MR charts for variables, p, np, c and u charts for attributes, with the…
Acceptance Sampling Attribute acceptance sampling by lot: the operating characteristic curve of a single plan (n, c) by the exact binomial, the Poisson approximation and the hypergeometric…
Dimensional Capability Capability study of a whole drawing or first-article lot, every characteristic at once: paste one block per characteristic (number, name, nominal, lower and upper…
Variables Sampling (Z1.9) Acceptance sampling by variables after MIL-STD-414 (1957) and its descendant ANSI/ASQ Z1.9, variability unknown, standard deviation method (Section B): the sample size…

Gauge R&R Measurement systems analysis after the AIAG MSA Reference Manual (4th edition): a crossed gauge repeatability and reproducibility study by the Average and Range method…
Uncertainty Budget The calibration-laboratory uncertainty budget in the layout of EA-4/02 M:2022: one line per component with its estimate, the value from the certificate or the limits,…

ANOVA and DOE Analysis of variance and two-level factorial experiments from pasted data: one-way ANOVA with the ANOVA table, F and p-value, R², the Brown–Forsythe (modified Levene)…

FMEA Failure mode and effects analysis from a pasted worksheet: the risk priority number RPN = S × O × D of every failure mode with its ranking against an action threshold,…
Pareto and Root Cause Pareto analysis of defect or incident records with the root-cause tools that follow it: the Pareto table and chart (count, cost or count × severity weighting, cumulative…

GD&T Inspection Inspection calculations for geometric tolerances from measured data, six analyses under one select.