The article "Stability of Silico-Ferrite of Calcium and Aluminum (SFCA) in Air-Solid Solution Limits Between 1240°C and 1390°C and Phase Relationships within the Fe,0,- Ca0-Al,0;-SiO, (FCAS) System" (T. Patrick and M. Pownceby, Metaliurgical and Materials Transactions B, 2002:79-90) investigates properties of silico-ferrites of calcium and aluminum (SFCA). The data in the following table present the ratio of the weights of Fe,0, and Cao for SFCA specimens with several different weight percents of Al,0, and C,S. Al,0;(%) 1.0 Fez0, Cao 7.25 6.92 6.60 6.31 C,53 Low (3%-6%) Medium (7%-10%) High (11%-14%) Low (3%-6%) Medium (7%-10%) High (11%-14%) Low (3%-6%) Medium (7%-10%) High (11%-14%) 10 6.03 5.78 5.54 5.31 1.0 5.10 4.90 4.71 4.53 5.0 5.0 6.92 6.59 6.29 6.01 5.74 5.26 5.04 4.84 5.0 4.84 4.65 4.47 4.29 10.0 10.0 10.0 6.50 6.18 5.89 5.63 5.37 5.14 4.92 4.71 4.52 4.33 4.16 3.99 a. Estimate all main effects and interactions. Construct an ANOVA table. You may give ranges for the P-values. c. Do the data indicate that there are any interactions between the weight percent of Al,0, and the weight percent of C,5;? Explain. d. Do the data convincingly demonstrate that the Fe,0,/CaO ratio depends on the weight percent of Al,0,? Explain. Do the data convincingly demonstrate that the Fe,O/CaO ratio depends on the weight percent of C,S,? Explain. e.
The article "Stability of Silico-Ferrite of Calcium and Aluminum (SFCA) in Air-Solid Solution Limits Between 1240°C and 1390°C and Phase Relationships within the Fe,0,- Ca0-Al,0;-SiO, (FCAS) System" (T. Patrick and M. Pownceby, Metaliurgical and Materials Transactions B, 2002:79-90) investigates properties of silico-ferrites of calcium and aluminum (SFCA). The data in the following table present the ratio of the weights of Fe,0, and Cao for SFCA specimens with several different weight percents of Al,0, and C,S. Al,0;(%) 1.0 Fez0, Cao 7.25 6.92 6.60 6.31 C,53 Low (3%-6%) Medium (7%-10%) High (11%-14%) Low (3%-6%) Medium (7%-10%) High (11%-14%) Low (3%-6%) Medium (7%-10%) High (11%-14%) 10 6.03 5.78 5.54 5.31 1.0 5.10 4.90 4.71 4.53 5.0 5.0 6.92 6.59 6.29 6.01 5.74 5.26 5.04 4.84 5.0 4.84 4.65 4.47 4.29 10.0 10.0 10.0 6.50 6.18 5.89 5.63 5.37 5.14 4.92 4.71 4.52 4.33 4.16 3.99 a. Estimate all main effects and interactions. Construct an ANOVA table. You may give ranges for the P-values. c. Do the data indicate that there are any interactions between the weight percent of Al,0, and the weight percent of C,5;? Explain. d. Do the data convincingly demonstrate that the Fe,0,/CaO ratio depends on the weight percent of Al,0,? Explain. Do the data convincingly demonstrate that the Fe,O/CaO ratio depends on the weight percent of C,S,? Explain. e.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Transcribed Image Text:The article "Stability of Silico-Ferrite of Calcium and Aluminum (SFCA) in Air-Solid
Solution Limits Between 1240°C and 1390°C and Phase Relationships within the Fe,0,-
Ca0-Al,0;-SiO, (FCAS) System" (T. Patrick and M. Pownceby, Metaliurgical and
Materials Transactions B, 2002:79-90) investigates properties of silico-ferrites of calcium
and aluminum (SFCA). The data in the following table present the ratio of the weights of
Fe,0, and Cao for SFCA specimens with several different weight percents of Al,0, and
C,S.
Al,0;(%)
1.0
Fez0, Cao
7.25 6.92 6.60 6.31
C,53
Low (3%-6%)
Medium (7%-10%)
High (11%-14%)
Low (3%-6%)
Medium (7%-10%)
High (11%-14%)
Low (3%-6%)
Medium (7%-10%)
High (11%-14%)
10
6.03 5.78 5.54 5.31
1.0
5.10 4.90 4.71 4.53
5.0
5.0
6.92 6.59 6.29 6.01
5.74 5.26 5.04 4.84
5.0
4.84 4.65 4.47 4.29
10.0
10.0
10.0
6.50 6.18 5.89 5.63
5.37 5.14 4.92 4.71
4.52 4.33 4.16 3.99
a.
Estimate all main effects and interactions.
Construct an ANOVA table. You may give ranges for the P-values.
c. Do the data indicate that there are any interactions between the weight percent of
Al,0, and the weight percent of C,5;? Explain.
d. Do the data convincingly demonstrate that the Fe,0,/CaO ratio depends on the weight
percent of Al,0,? Explain.
Do the data convincingly demonstrate that the Fe,O/CaO ratio depends on the weight
percent of C,S,? Explain.
e.
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