5-84. In Design and Analysis of Experiments, 7th edition (John Wiley & Sons, 2009), D. C. Montgomery describes an experiment that determined the effect of four different types of tips in a hardness tester on the observed hardness of a metal alloy. Four specimens of the alloy were obtained, and each tip was tested once on each specimen, producing the following data: Type of Tip 1 2 3 4 1 9.3 9.4 9.2 9.7 2 9.4 9.3 9.4 9.6 Specimen 3 9.6 9.8 9.5 10.0 4 10.0 9.9 9.7 10.2 (a) Is there any difference in hardness measurements between the tips? (b) Use the graphical method from Section 5-8.1 to investigate specific differences between the tips. (c) Analyze the residuals from this experiment.
5-84. In Design and Analysis of Experiments, 7th edition (John Wiley & Sons, 2009), D. C. Montgomery describes an experiment that determined the effect of four different types of tips in a hardness tester on the observed hardness of a metal alloy. Four specimens of the alloy were obtained, and each tip was tested once on each specimen, producing the following data: Type of Tip 1 2 3 4 1 9.3 9.4 9.2 9.7 2 9.4 9.3 9.4 9.6 Specimen 3 9.6 9.8 9.5 10.0 4 10.0 9.9 9.7 10.2 (a) Is there any difference in hardness measurements between the tips? (b) Use the graphical method from Section 5-8.1 to investigate specific differences between the tips. (c) Analyze the residuals from this experiment.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Using r-studio please code parts a-c
Transcribed Image Text:Tip Specimen
11
12
13
2
2
2
2
3
3
3
4
4
1
2
3
2
3
2
3
Hardness
9.3
9.4
9.6
10.0
9.4
9.3
9.8
9.9
9.2
9.4
9.5
9.7
9.7
9.6
10.0
10.2
Transcribed Image Text:5-84. In Design and Analysis of Experiments, 7th edition
(John Wiley & Sons, 2009), D. C. Montgomery describes an
experiment that determined the effect of four different types
of tips in a hardness tester on the observed hardness of a
metal alloy. Four specimens of the alloy were obtained, and
each tip was tested once on each specimen, producing the
following data:
Type of
Tip
1
2
3
4
1
9.3
9.4
9.2
9.7
2
9.4
9.3
9.4
9.6
Specimen
3
9.6
9.8
9.5
10.0
4
10.0
9.9
9.7
10.2
(a) Is there any difference in hardness measurements between
the tips?
(b) Use the graphical method from Section 5-8.1 to investigate
specific differences between the tips.
(c) Analyze the residuals from this experiment.
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