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To verify the hypothesis that blood lead levels tend to be

Introduction to Probability and Statistics for Engineers and Scientists | 5th Edition | ISBN: 9780123948113 | Authors: Sheldon M. Ross ISBN: 9780123948113 226

Solution for problem 41 Chapter 8

Introduction to Probability and Statistics for Engineers and Scientists | 5th Edition

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Introduction to Probability and Statistics for Engineers and Scientists | 5th Edition | ISBN: 9780123948113 | Authors: Sheldon M. Ross

Introduction to Probability and Statistics for Engineers and Scientists | 5th Edition

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Problem 41

To verify the hypothesis that blood lead levels tend to be higher for children whose parents work in a factory that uses lead in the manufacturing process, researchers examined lead levels in the blood of 33 children whose parents worked in a battery manufacturing factory (Morton, D., Saah, A., Silberg, S., Owens, W., Roberts, M., and Saah, M., Lead Absorption in Children of Employees in a Lead-Related Industry, American Journal of Epidemiology, 115, 549555, 1982). Each of these children was then matched by another child who was of similar age, lived in a similar neighborhood, had a similar exposure to traffic, but whose parent did not work with lead. The blood levels of the 33 cases (sample 1) as well as those of the 33 controls (sample 2) were then used to test the hypothesis that the average blood levels of these groups are the same. If the resulting sample means and sample standard deviations were .x 1 = .015, s1 = .004, .x2 = .006, s2 = .006 find the resulting p-value. Assume a common variance.

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LAB ACTIVITY 1 Welcome to the first “real” lab assignment of the semester! Remember that each lab assignment (including this one) will be worth 10 points. You’ll get to keep your best 12 lab assignment grades, so there are 120 points possible (out of 500 total) on all of your labs. The primary goal of today’s lab is to introduce you to Minitab, the statistical software we will use for this class. Complete this worksheet—with a partner if you wish—and at the end you will be asked to submit your answers in ANGEL. Each student must turn in the lab individually, even if you teamed up during the lab class. If you get stuck on anything, help is available! Check with the folks around you, and if you all have the same question then flag down the teaching assistant or the lea

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Chapter 8, Problem 41 is Solved
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Textbook: Introduction to Probability and Statistics for Engineers and Scientists
Edition: 5
Author: Sheldon M. Ross
ISBN: 9780123948113

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To verify the hypothesis that blood lead levels tend to be