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Why sigma is used in 6 sigma?
sigma represents standard deviation. In a normal distribution, +/- 1 sigma from the mean, for instance, corresponds to approximately 67% of the area under the normal distribution. +/- 2 sigma corrresponds to 95% of the area and +/- 3 sigma from the mean corresponds to 99% of the area under a normal distribution. The area that is covered under +/- six sigma from the mean corresponds to nearly 100% -- that is, the part of the area NOT under that +/- 6 sigma is in the 10^-15 range or 1/1,000,000,000,000,000. The six sigma name borrows from this to suggest that the method gives this degree of certainty: that in 999,999,999,999,999 in 1,000,000,000,000,000 cases the result will be predictable. It does nothing, however, to explain how an agricultural process management methodology applies to other fields.
What is the difference between dualshock 2 and dualshock 3 controllers?
Nothing Major. Other than six axis and the fact it is wireless.
What is the difference between 5.8 and 3?
It is 5.8 minus 3 = 2.8
What is the difference between -3 and -3?
Zero. In general, the difference between any number and itself is zero.
What is the difference between 8 and two thirds and 9 and one third?
The difference is two thirds (2/3) To answer these questions, one needs to turn mixed fractions, such as eight and two thirds, into (im)proper fractions, such as twenty six thirds. The question then becomes what is the difference between 26 thirds and 28 thirds. The answer: 28/3-26/3 = (28-26)/3 = 2/3
