Who knows the specific method of QC 7 manipulating control chart?

1. Seven simple QC skills: Gantt chart, flow chart, 5W2H, ingenious method, radar method, statistical chart, transition chart 2, old seven QC skills: characteristic factor analysis chart, Plato, look-up table, hierarchical method, scatter chart, histogram, control chart 3, new seven QC skills: correlation chart, system chart method and KJ method. Function: It is suitable for analyzing and sorting out the problems intertwined with various complex factors. After many revisions and drawings, the key to solving the problem can be clearly defined and the key points can be accurately grasped. 2. System diagram: The purpose to be achieved and the measures or methods to be taken are systematically developed step by step, so as to clarify the focus of the problem and find the best means or methods. 3.KJ method: unify the language data collected from the chaotic state according to their mutual affinity, and clarify the problems to be solved. 4. Brainstorming method: It is a collective creative thinking method that uses meetings to guide everyone attending the meeting to speak freely around a central topic, stimulate inspiration, set off ideological storms in their own minds, and freely express independent opinions without scruple. 5. Matrix diagram: it is a method to make the problem clear step by step by using multi-dimensional thinking, that is, to express the relationship between various factors in the form of matrix in mathematics, to explore the problem from it, and to get the idea of solving the problem. 6. Process decision-making program diagram method: it is a method to predict possible obstacles in advance in the planning stage or system design stage, so as to design a series of countermeasures and measures to achieve ideal results with the greatest possibility. 7.PERT is a directed line chart. According to its time sequence and affiliation, it represents all the work necessary to advance the plan in the form of a network.