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The article “Drying of Pulps in Sprouted Bed: Effect of

Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi ISBN: 9780073401331 38

Solution for problem 9E Chapter 8.1

Statistics for Engineers and Scientists | 4th Edition

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Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi

Statistics for Engineers and Scientists | 4th Edition

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Problem 9E

Problem 9E

The article “Drying of Pulps in Sprouted Bed: Effect of Composition on Dryer Performance” (M. Medeiros. S. Rocha, et al., Drying Technology, 2002:865–881) presents measurements of pH, viscosity (in kg/m ∙ s). density (in g/cm3), and BRIX (in percent). The following MINITAB output presents the results of fitting the model

a. Predict the pH for a pulp with a viscosity of 1500 kg/m s, a density of 1.04 g/cm3, and a BRIX of 17.5%.

b. If two pulps differ in density by 0.01 g/cm3, by how much would you expect them to differ in pH, other things being equal?

c. The constant term β0 is estimated to be negative. But pulp pH must always be positive. Is something wrong? Explain.

d. Find a 95%.confidence interval for the mean pH of pulps with viscosity 1200 kg/m · s, density 1.08 g/cm3 and BRIX 18.0%.

e. Find a 95% prediction interval for the pH of a pulp with viscosity 1000 kg/m ∙ s, density 1.05 g/cm3, and BRIX 19.0%.

f. Pulp A has viscosity 2000. density 1.03, and BRIX 20.0. Pulp B has viscosity 1000, density 1.05. and BRIX 19.0. Which pulp will have its pH predicted with greater precision? Explain.

Step-by-Step Solution:
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CHEMISTRY NOTES- CHAPTER ONE AND TWO UNITS: quantities used to specify measurements SI UNITS MEASUREMENT UNIT SYMBOL Length Meter m Mass Kilogram kg Time Second s Temperature Kelvin K Energy Joule J Amount of substance Mole mol (package) PREFIX’ FOR UNITS PREFIX SYMBOL MULTIPLIER Kilo- k 1000 (10^3) Deci- d 0.1 (10^-1) Centi-

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Chapter 8.1, Problem 9E is Solved
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Textbook: Statistics for Engineers and Scientists
Edition: 4
Author: William Navidi
ISBN: 9780073401331

The full step-by-step solution to problem: 9E from chapter: 8.1 was answered by , our top Statistics solution expert on 06/28/17, 11:15AM. This textbook survival guide was created for the textbook: Statistics for Engineers and Scientists , edition: 4. Statistics for Engineers and Scientists was written by and is associated to the ISBN: 9780073401331. Since the solution to 9E from 8.1 chapter was answered, more than 298 students have viewed the full step-by-step answer. The answer to “The article “Drying of Pulps in Sprouted Bed: Effect of Composition on Dryer Performance” (M. Medeiros. S. Rocha, et al., Drying Technology, 2002:865–881) presents measurements of pH, viscosity (in kg/m ? s). density (in g/cm3), and BRIX (in percent). The following MINITAB output presents the results of fitting the model a. Predict the pH for a pulp with a viscosity of 1500 kg/m s, a density of 1.04 g/cm3, and a BRIX of 17.5%.________________b. If two pulps differ in density by 0.01 g/cm3, by how much would you expect them to differ in pH, other things being equal?________________c. The constant term ?0 is estimated to be negative. But pulp pH must always be positive. Is something wrong? Explain.________________d. Find a 95%.confidence interval for the mean pH of pulps with viscosity 1200 kg/m · s, density 1.08 g/cm3 and BRIX 18.0%.________________e. Find a 95% prediction interval for the pH of a pulp with viscosity 1000 kg/m ? s, density 1.05 g/cm3, and BRIX 19.0%.________________f. Pulp A has viscosity 2000. density 1.03, and BRIX 20.0. Pulp B has viscosity 1000, density 1.05. and BRIX 19.0. Which pulp will have its pH predicted with greater precision? Explain.” is broken down into a number of easy to follow steps, and 194 words. This full solution covers the following key subjects: Density, viscosity, pulp, brix, pulps. This expansive textbook survival guide covers 153 chapters, and 2440 solutions.

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