Postulate 3. Assignable causes of variation may be found and eliminated.
Shewhart, Walter A. (1931). Economic control of quality of manufactured product. D. Van Nostrand Company. p. 8.
Postulate 3. Assignable causes of variation may be found and eliminated.
Shewhart, Walter A. (1931). Economic control of quality of manufactured product. D. Van Nostrand Company. p. 8.