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[7] Some have alleged that departures in normality in the process output significantly reduce the effectiveness of the charts to the point where it may require control limits to be set based on percentiles of the empirically-determined distribution of the process output [2]: 237 although this assertion has been consistently refuted. See Footnote 6.
Shewhart framed the problem in terms of assignable-cause and chance-cause variation and introduced the control chart as a tool for distinguishing between the two. Shewhart stressed that bringing a production process into a state of statistical control , where there is only chance-cause variation, and keeping it in control, is necessary to ...
The effectiveness of the (ACB) process is proven with the inclusion of primary color charts within a stereo pair. A contrast-balanced view of the stereo pair and color charts is evident in the resulting (ACB) processed anaglyph image. The (ACB) process also enables black and white (monochromatic) anaglyphs with contrast balance.
The Caribbean (/ ˌ k ær ɪ ˈ b iː ən, k ə ˈ r ɪ b i ən / KARR-ib-EE-ən, kə-RIB-ee-ən, locally / ˈ k ær ɪ b i æ n / KARR-ib-ee-an; [4] Spanish: el Caribe; French: les Caraïbes; Dutch: de Caraïben) is a subregion in the middle of the Americas centered around the Caribbean Sea in the North Atlantic Ocean, mostly overlapping with the West Indies.