QFD quality function deployment, also known as the origin of QDF, developed in Japan in the late 1960s. At that time Mitsubishi has turned to the Japanese government to develop a freighter used to build complex post Six Sigma management system, the Japanese government signed a contract with several universities to develop such a system Six Sigma quality management, the system requires to make the construction process Each step is adapted to the specific requirements of customers, such a system is the QFD. Following Mitsubishi and other Japanese companies began using QFD method, Matsushita Electric to promote the use of it, so that Panasonic can understand customers' needs and can accurately predict the future needs of customers. 1970s, Japanese and other companies to improve and make skillful use QFD method is well developed. 10 years later spread to the United States. QFD in the history of Japan and North America: 1968 Six Sigma, QFD concept first appeared in Japan; 1972 Six Sigma Consulting, the first application in Japan's Mitsubishi Corporation; 1978, Japan's first book appeared this presentation QFD; 1980, QFD was first used in the tertiary industry; in 1983, introducing QFD concept in North America; from 1984 to 1987, North American companies began to use, application and tertiary industry, North America in the first book in this presentation QFD; in 1987, first appeared in Japan QFD application of the company received the Deming Prize. What is A: The so-called A (Analyze) analysis i.e., the analysis of data collected in the measurement stage, in order to determine a set of variables arranged in order of importance affecting the quality. First, list all process variables affect the project Y X'S Second, find the value of X'S have three important characteristics, and finally calculate P values ??and quantitative financial analysis Fourth, the basic tools to analyze 1, analysis of variance (ANOVA). 2, regression analysis. 3, hypothesis testing. 4, Plato. 5, multivariate analysis. Six Sigma Professional Six Sigma training _ _ half way (certified merchants) are provided by enterprises in Huizhou City Road Enterprise Management Services Limited. Road Zhiyuan, temper forward. Huizhou City, the rate of the Road Enterprise Management Services Ltd. (isoew.com) aims to become and you win symbiosis, strategic partners to move forward, more determined to become the other's most influential business, and you leap together to success!