# ch1 - use of data to make decisions solve problems and...

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Chapter 1: The Role of Statistics in Engineering Bin Wang Department of Mathematics and Statistics University of South Alabama Montgomery&Runger E4; ﬁrst created on 08/15/08 Compiled on January 13, 2009by Dr. Bin WANG 1/3

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Engineering (scientiﬁc) method 1 Develop a (clear) description (of the problem). 2 Identify the important factors (that aﬀect this problem or that may play a role in its solution). 3 Propose a tentative model (based on scientiﬁc or engineering knowledge of the phenomenon being studied). 4 Conduct (appropriate experiments) and collect data (to test or validate the tentative model). 5 Reﬁne the model. 6 Manipulate the model (to assist in developing a solution to the problem). 7 Conduct an experiment to conﬁrm (that) the proposed solution (to the problem is both eﬀective and eﬃcient). 8 Draw conclusions or make recommendations. Montgomery&Runger E4; ﬁrst created on 08/15/08 Compiled on January 13, 2009by Dr. Bin WANG 2/3
What is statistics? Deﬁnition A science that deals with the collection, presentation, analysis, and

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Unformatted text preview: use of data to make decisions, solve problems, and design products and processes. Montgomery&Runger E4; ﬁrst created on 08/15/08 Compiled on January 13, 2009by Dr. Bin WANG 3/3 What is statistics? Deﬁnition A science that deals with the collection, presentation, analysis, and use of data to make decisions, solve problems, and design products and processes. Simply speaking, Statistics is a science of gaining information from data. Montgomery&Runger E4; ﬁrst created on 08/15/08 Compiled on January 13, 2009by Dr. Bin WANG 3/3 What is statistics? Deﬁnition A science that deals with the collection, presentation, analysis, and use of data to make decisions, solve problems, and design products and processes. Simply speaking, Statistics is a science of gaining information from data. Population and sample Montgomery&Runger E4; ﬁrst created on 08/15/08 Compiled on January 13, 2009by Dr. Bin WANG 3/3...
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ch1 - use of data to make decisions solve problems and...

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