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The article “Oxidation State and Activities of Chromium,

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

Solution for problem 8E Chapter 7.4

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 8E

Problem 8E

The article “Oxidation State and Activities of Chromium, Oxides in CaO-SiO2-CrOx Slag System” (Y.7. The National Xiao, L. Holappa, and M. Reuter, Metallurgical and Materials Transactions B, 2002:595-603) presents the amount x (in mole percent) and activity coefficient y of CrO1.5 for several specimens. The data, extracted from a larger table, are presented in the following table.

X

Y

X

Y

X

Y

10.20

2.6

7.13

5.8

5.33

13.1

5.03

19.9

3.40

29.4

16.70

0.6

8.84

0.8

5.57

2.2

9.75

2.2

6.62

5.3

7.23

5.5

2.74

16.9

2.89

20.3

2.12

33.1

2.58

35.5

2.31

39.4

1.67

44.2

1.50

48.0

a. Compute the least-squares line for predicting y from x.

b. Plot the residuals versus the fitted values.

c. Compute the least-squares line for predicting y from 1/x.

d. Plot the residuals versus the fitted values.

e. Using the better fitting line, find a 95% confidence interval for the mean value of y when x = 5.0.

Step-by-Step Solution:
Step 1 of 3

Tuesday, August 23, 2016 WILDLIFE ECOLOGY Contact through ​ann.randall@colostate.edu Course Goals: ~ Foundation concepts and terminology ~ Conservation ~ Broaden perspectives and awareness ~ Guest lectures ~ Look to the future Review syllabus and study and take quiz by 8/30 May have some changes to deadlines All readings are online No makeup exams ~ Tests are multiple choice and true false Thursday, August 25, 2016 Important terms and definitions ● Biology­ study of living organisms ● Wildlife­ non­domesticated animals in their natural environme

Step 2 of 3

Chapter 7.4, Problem 8E is Solved
Step 3 of 3

Textbook: Statistics for Engineers and Scientists
Edition: 4
Author: William Navidi
ISBN: 9780073401331

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The article “Oxidation State and Activities of Chromium,