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Unformatted text preview: 1 The Engineering Method and Statistical Thinking • Engineers solve problems of interest to society by the efficient application of scientific principles • The engineering or scientific method is the approach to formulating and solving these problems.1 The Engineering Method and Statistical Thinking The Field of Probability • Used to quantify likelihood or chance • Used to represent risk or uncertainty in engineering applications • Can be interpreted as our degree of belief or relative frequency The Field of Statistics • Deals with the collection, presentation, analysis, and use of data to make decisions and solve problems . 1 The Engineering Method and Statistical Thinking The field of statistics deals with the collection, presentation, analysis, and use of data to • Make decisions • Solve problems • Design products and processes1 The Engineering Method and Statistical Thinking • Statistical techniques are useful for describing and understanding variability . • By variability, we mean successive observations of a system or phenomenon do not produce exactly the same result. • Statistics gives us a framework for describing this variability and for learning about potential sources of variability .1 The Engineering Method and Statistical Thinking Engineering Example Suppose that an engineer is developing a rubber compound for...
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 Spring '10
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