Lot Plot
Lot Plot refers to a statistical method for acceptance sampling developed by Dorian Shainin in the 1940s. This statistical technique uses the graphical analysis of variable sample data in order to determine if a lot consisting of potentially faulty parts should be accepted or set aside for 100% inspection.
Walter A. Shewhart’s development of control charts demonstrated the application of statistical techniques to manufacturing and illustrated the effectiveness of graphical presentation and analysis. Shainin incorporated these concepts in his development of Lot Plot.
In 1946 Shainin was able to demonstrate to the Navy Bureau of Aeronautics that Lot Plot was more effective than 100% inspection. Following this, the Navy agreed to make Lot Plot a standard. Soon Lot Plot was adopted as a standard across many industries.
Taking the advice of his friend and mentor Joseph M. Juran, Shainin turned to the world of consulting. In 1952 Shainin joined Rath & Strong, Inc., a management consulting firm based in Lexington, Massachusetts, holding the position of Senior Vice President.
Read more about this topic: Dorian Shainin
Famous quotes containing the words lot and/or plot:
“My consciousness-raising group is still going on. Every Monday night it meets, somewhere in Greenwich Village, and it drinks a lot of red wine and eats a lot of cheese. A friend of mine who is in it tells me that at the last meeting, each of the women took her turn to explain, in considerable detail, what she was planning to stuff her Thanksgiving turkey with. I no longer go to the group.”
—Nora Ephron (b. 1941)
“James’s great gift, of course, was his ability to tell a plot in shimmering detail with such delicacy of treatment and such fine aloofness—that is, reluctance to engage in any direct grappling with what, in the play or story, had actually “taken place”Mthat his listeners often did not, in the end, know what had, to put it in another way, “gone on.””
—James Thurber (1894–1961)