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  2. Five whys - Wikipedia

    en.wikipedia.org/wiki/Five_whys

    Five whys (or 5 whys) is an iterative interrogative technique used to explore the cause-and-effect relationships underlying a particular problem. [1] The primary goal of the technique is to determine the root cause of a defect or problem by repeating the question "why?" five times, each time directing the current "why" to the answer of the ...

  3. Eight disciplines problem solving - Wikipedia

    en.wikipedia.org/wiki/Eight_Disciplines_Problem...

    For example, an "Is/Is Not" worksheet is a common tool employed at D2, and Ishikawa, or "fishbone," diagrams and "5-why analysis" are common tools employed at step D4. In the late 1990s, Ford developed a revised version of the 8D process that they call "Global 8D" (G8D), which is the current global standard for Ford and many other companies in ...

  4. List of NP-complete problems - Wikipedia

    en.wikipedia.org/wiki/List_of_NP-complete_problems

    NP-complete special cases include the edge dominating set problem, i.e., the dominating set problem in line graphs. NP-complete variants include the connected dominating set problem and the maximum leaf spanning tree problem. [3]: ND2 Feedback vertex set [2] [3]: GT7 Feedback arc set [2] [3]: GT8 Graph coloring [2] [3]: GT4

  5. Five Ws - Wikipedia

    en.wikipedia.org/wiki/Five_Ws

    According to Inoslav Bešker, Professor of Philology at the University of Split in Croatia, the 5 Ws are rooted in the seven questions used in ancient Greece to communicate stories clearly: [8] Although long attributed to Hermagoras of Temnos , [ 9 ] in 2010, it was established that Aristotle 's Nicomachean Ethics is in fact the source of the ...

  6. Completing the square - Wikipedia

    en.wikipedia.org/wiki/Completing_the_square

    Given a quadratic polynomial of the form + + it is possible to factor out the coefficient a, and then complete the square for the resulting monic polynomial. Example: + + = [+ +] = [(+) +] = (+) + = (+) + This process of factoring out the coefficient a can further be simplified by only factorising it out of the first 2 terms.

  7. Why do we work 9 to 5? The history of the eight-hour workday

    www.aol.com/why-9-5-history-eight-105902493.html

    Not that there weren’t examples in the early 20th century of people putting in far more time than that. At the end of World War I, for instance, blast furnace workers in the steel industry ...

  8. Kevin O’Leary warns this the ‘biggest mistake in life’ when ...

    www.aol.com/finance/kevin-o-leary-warns-biggest...

    Here’s why tax efficiency is important but not the top priority for wealthy investors like O’Leary. ... For example, Tesla stock lost 42.5% of its value in just a few weeks between December ...

  9. Finished goods - Wikipedia

    en.wikipedia.org/wiki/Finished_goods

    A good purchased as a "raw material" goes into the manufacture of a product. A good only partially completed during the manufacturing process is called "work in process". When the good is completed as to manufacturing but not yet sold or distributed to the end-user, it is called a "finished good". [1] This is the last stage for the processing ...