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The Western Electric rules are decision rules in statistical process control for detecting out-of-control or non-random conditions on control charts. [1] Locations of the observations relative to the control chart control limits (typically at ±3 standard deviations) and centerline indicate whether the process in question should be investigated for assignable causes.
Date/Time Thumbnail Dimensions User Comment; current: 01:01, 7 October 2009: 230 × 200 (76 KB): GMcGlinn~commonswiki: cleared of svg black block disease : 00:31, 7 October 2009
It seems like every web page I visit that mentions Western Electric rules, says that rule 4 is violated if just eight consecutive points fall on the same side of the centerline.--216.254.190.174 13:09, 3 July 2009 (UTC)
They are a set of modified Western Electric rules, developed by James Westgard and provided in his books and seminars on quality control. [1] They are plotted on Levey–Jennings charts, wherein the X-axis shows each individual sample, and the Y-axis shows how much each one differs from the mean in terms of standard deviation (SD). The rules ...
In the early 1920s, Western Electric was developing both sound-on-film and sound-on-disc systems, aided by the purchase of Lee De Forest's Audion amplifier tube in 1913, consequent advances in public address systems, and the first practical condenser microphone, which Western Electric engineer E.C. Wente had created in 1916 and greatly improved in 1922.
The band renamed themselves after the 1986 Talking Heads song "Radio Head" on the album True Stories, claiming it was the "least annoying song" on the album. [ 274 ] Rage Against the Machine – When the band formed in 1991, they chose the name of a song Zack de la Rocha had written for his old band, Inside Out .
A1A or A-1-A [3] is the fifth studio album by American popular music singer-songwriter Jimmy Buffett and the third major label album in Buffett's Don Gant-produced "Key West phase". It was initially released in December 1974 as Dunhill DS-50183 and later re-released on Dunhill's successor labels ABC and MCA .
No Rules, Kik Tracee's debut album, landed at #46 on Rolling Stone's Top 50 Greatest Hair Metal Albums of All Time list. [12] Kik Tracee appeared at #78 in VH1's Hair Metal 100 Countdown list. [13] Power Chord TV listed Kik Tracee #2 on their list of Hollywood bands that should have been hugely successful. [14]