From the National Institute of Standards and Technology (NIST) & SEMATECH, a full free statistic handbook for the industry and manufacturing. Full details and explanations, so as statistical tables.
A printable pdf version is also available.
Its official reference:
NIST/SEMATECH e-Handbook of Statistical Methods
http://www.itl.nist.gov/div898/handbook/
Digitial Object Identifier (DOI): https://doi.org/10.18434/M32189
Free, No Download/Install required, No registration
EN 
FR 
DE 
ES 
IT 
