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To undertake hypothesis testing it is necessary to go through these following stages:
Decide on the null hypothesis, H0.
Decide on the alternate hypothesis, H1.
Decide on the significance level.
Calculate the appropriate [...]
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Watch this video …..
This phenomenon is known as “change blindness” - only a tiny fraction of all the information going into your brain enters your consciousness. People often fail to see a change in their surroundings because their attention is elsewhere.
Even stranger, if you are concentrating on something, you can become blind to other events [...]
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Boing Boing reports that Bunnie has started blogging his China thoughts in detail, with a series of great posts:
Skill: Factory work in China isn’t unskilled labor — anything but. Watching the expert sewing in one of Bunnie’s videos is like going to a close-up magic show, an astounding and effortless-seeming exhibition of manual dexterity. [...]
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photo credit: stshores24
The Chairman’s Letter in most annual reports makes a pretty good cure for insomnia but not so Warren Buffett’s annual missive to Berkshire Hathaway’s shareholders - invariably packed with wise and pithy observations. In his 43 years at the helm, Buffett has grown Berkshire’s assets by 21.1% annually. Here are some highlights [...]
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photo credit: Cle0patra
Here’s an interesting paper on the role of robotics in a Lean environment; the conclusion:
Robots help achieve higher production quality at a reduced operating cost compared to manual manufacturing. They help produce more parts with fewer defects sing less equipment while maintaining their flexibility for future changes. Their capability is only [...]
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Ouch! (flip me over!), originally uploaded by Maulleigh.
The line worker may not even read text that seems excessive. We have spent the last eight years observing line workers using [...]
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Joseph Juran, who died aged 103, was a pioneer of the concept of quality control. Thanks to his work products across the world are systematically engineered with far fewer defects than they wei when he started his career eight decades ago.
Joseph Moses Juran was born in Romania in 1904, the son of a Jewish cobbler. [...]
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In his article Six Sigma: Tracing Results to the Bottom Line, Gerald K. DeBusk, suggests that organizations are using Six Sigma to make process improvements in every area, including the accounting and finance functions. Five of the points in the article related to costs are:
Jack Welch introduced Six Sigma at GE in 1996, and [...]
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From Who Sucks:
With recent high-profile incidents involving dangerous goods imported from China, the American media has finally begun to warn consumers about the dangers of cheaply producing goods in a country hardly known for its strict safety regulations. After spending some time digging through product recall press releases, we’ve found that the mainstream media [...]
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photo credit: Woody Thrower
Lean and Six Sigma are both planned change initiatives with objectives to reduce or eliminate waste but there the similarity ends.
Both are often referred to as programs, but that is not accurate. Six Sigma may be a program but lean is a philosophy. As a program, Six Sigma uses a methodology [...]
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What can I say, brilliant, world-class stuff
innovation, offbeat.videoPopularity: 15% [?]SHARETHIS.addEntry({ title: “This is innovation at its best!”, url: “http://learnsigma.com/this-is-innovation-at-its-best/” });
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photo credit: gautschi.r
What the seven key steps to make sure your six-sigma project stays on track? Read on ….
During project execution, it is important to
lead a focus effort in which the project Champion is responsible for conducting a project review, uses his authority to solve cross-functional problems and allocate needed resources.
check for real financial [...]
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I recently had the zero defects phrase thrown at me, “we strive for zero defects in company X”, said the person (who appeared to have a serious crackberry habit). Hmm, I thought do you really know what you’ve just said to me? Is it possible to attain a zero defect level in a given process? [...]
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photo credit: Kate_A
We all know that communication of any change initiate or philosophy is critical. But what is you need translate information into a different language? If you’re like me the first place you would turn to is a service like Google Translate. However, as Wikipedia says:
Google Translate, like other automatic translation tools, has [...]
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photo credit: Craig Axxie
Although it’s easy to focus on other things at certain times of the year, for example, it appears that even Santa uses Six Sigma to help him meet his toy related delivery objectives, despite what the naysayers may have you believe. So last week, my mind wandered to the use [...]
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