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Get Full Access to Probability And Statistics For Engineering And The Sciences - 9 Edition - Chapter 10.1 - Problem 4
Get Full Access to Probability And Statistics For Engineering And The Sciences - 9 Edition - Chapter 10.1 - Problem 4

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# It is common practice in many countries to destroy(shred) refrigerators at the end of

ISBN: 9781305251809 122

## Solution for problem 4 Chapter 10.1

Probability and Statistics for Engineering and the Sciences | 9th Edition

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Problem 4

It is common practice in many countries to destroy(shred) refrigerators at the end of their useful lives. Inthis process material from insulating foam may bereleased into the atmosphere. The article Release ofFluorocarbons from Insulation Foam in HomeAppliances During Shredding (J. of the Air andWaste Mgmt. Assoc., 2007: 14521460) gave the followingdata on foam density (g/L) for each of two refrigeratorsproduced by four different manufacturers:1. 30.4, 29.2 2. 27.7, 27.13. 27.1, 24.8 4. 25.5, 28.8Does it appear that true average foam density is not thesame for all these manufacturers? Carry out an appropriatetest of hypotheses by obtaining as much P-value informationas possible, and summarize your analysis in anANOVA table

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