We discover that the six-sigma PPM process generates 3.4 per cent (PPM) of failed parts. This is the equivalent of the tail region greater than 4.5 standard deviations over the normal distribution. Many people are unaware that there was never a “black belt “degree” before 1964. The black belt was used to signal the status of a person in the Dan System. But each rank was assigned an individual name. The wear of the Black Belt was symbolic of the preceding five ranks. The ranks were earned by students who needed to pass an official exam or compete in a contest.
But there were exceptions for individuals championship belts who were deemed special or weak practitioners. The three ranks that were the highest were represented with either a black belt or sectioned white and red belt. Traditional formal examinations were the only ones necessary to be passed by Yond and (or Godin) up to the fifth Dan. Any ranking over 5th Dan was not awarded based on normal tests and for service and grade.
The dedication to the art may be described as practicing or teaching, participating in tournaments and writing articles about the martial arts, or publicizing the art to the general public. The two ranks were represented by a Black Belt (or a Red Belt). Importantly Dan System ranks were not belt-based. Dan System ranks did not require belts. Martial arts didn’t use straps.
They didn’t have any kind of external representation of classes in their systems, such as Kendo (art that requires drawing with a blade), Aikido (art that is based on fighting with the use of a small stick) and Kendo [the art of fencing with swords and blades. For instance, if your rank was raised to the fourth Dan System level, you will be awarded “Yoda” as your title “, Yoda”, which is the title of your certificate. The concept that you could earn “degrees in the black belt” was conceived by Grandmaster Ed Parker, who is often referred to as the “Father” of American Karate. Grandmaster Ed Parker, March 19 1931 – December 15 1990) was the person who introduced martial arts to the mainstream in America.
The first person to create a vast network of schools across America and taught Elvis Presley and many other famous people. Many consider him to be a big self-promoter. He began his training in Kenpo under the guidance of Professor William Chow in the 1940s. In 1953 the year he was promoted to Shodan and then moved to the mainland to start his very first academy. The school he attended as his primary, Pasadena Kenpo Karate Studio, was situated in Pasadena. Three of his brothers, Jim, Al and Will Tracy, started attending belt wrestling classes in 1957. In 1959 the school was transferred to them for administration. They operated until 1962 when they opened their school.
This was the first step to establishing martial arts as an enterprise that could be commercialized in America. Grandmaster Parker wasn’t an expert in martial arts; however, he was learning how to manage the business.