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Based on the graph, does there appear to be evidence of a main effect for mixer speed? A. Yes, because the population mean yield for mixer speed 80 appears to be significantly higher than the population mean yield for mixer speed 70. B. No, because the population mean yield for mixer speed 80 appears to be approximately equal to the population mean yield for mixer speed 70.

Based on the graph, does there appear to be evidence of a main effect for mixer speed? A. Yes, because the population mean yield for mixer speed 80 appears to be significantly higher than the population mean yield for mixer speed 70. B. No, because the population mean yield for mixer speed 80 appears to be approximately equal to the population mean yield for mixer speed 70.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question

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Graph 2 200 180 160 1 Formulation Mixer Speed B0e 60 eoo 70 * * 80 i12 is approximately equal to: A. 168 В. 181 С. 195 D. 159 Üzı is approximately equal to: А. 168 В. 181 С. 195 D. 159
Transcribed Image Text:Graph 2 200 180 160 1 Formulation Mixer Speed B0e 60 eoo 70 * * 80 i12 is approximately equal to: A. 168 В. 181 С. 195 D. 159 Üzı is approximately equal to: А. 168 В. 181 С. 195 D. 159
Based on the graph, does there appear to be evidence of a main effect for mixer speed? A. Yes, because the population mean yield for mixer speed 80 appears to be significantly higher than the population mean yield for mixer speed 70. B. No, because the population mean yield for mixer speed 80 appears to be approximately equal to the population mean yield for mixer speed 70. C. Yes, because the sample mean yield for mixer speed 80 appears to be significantly higher than the sample mean yield for mixer speed 70. D. No, because the sample mean yields for mixer speeds appear to be approximately equal at all levels. Based on the graph, does there appear to be evidence of a main effect for formulation? A. Yes, because the population mean yield for formulation 1 appears to be significantly higher than the population mean yield for formulation 2. B. No, because the population mean yield for formulation 1 appears to be approximately equal to the population mean yield for formulation 2. C. Yes, because the sample mean yield for formulation 1 appears to be significantly higher than the sample mean yield for formulation 2. D. No, because the sample mean yield for formulation 1 appears to be significantly higher than the sample mean yield for formulation 2. Based on the graph, does there appear to be evidence of a mixer speed x formulation interaction? A. Yes, because the lines connecting the population means are approximately parallel. B. No, because the lines connecting the population means are approximately parallel. C. Yes, because the lines connecting the sample means are approximately parallel. D. No, because the lines connecting the sample means are approximately parallel. For the 2-way ANOVA model, a balanced design implies A. The same number of observations at each treatment level. B. The same number of treatments as factors. C. The factors are a random sample. D. Both A and C
Transcribed Image Text:Based on the graph, does there appear to be evidence of a main effect for mixer speed? A. Yes, because the population mean yield for mixer speed 80 appears to be significantly higher than the population mean yield for mixer speed 70. B. No, because the population mean yield for mixer speed 80 appears to be approximately equal to the population mean yield for mixer speed 70. C. Yes, because the sample mean yield for mixer speed 80 appears to be significantly higher than the sample mean yield for mixer speed 70. D. No, because the sample mean yields for mixer speeds appear to be approximately equal at all levels. Based on the graph, does there appear to be evidence of a main effect for formulation? A. Yes, because the population mean yield for formulation 1 appears to be significantly higher than the population mean yield for formulation 2. B. No, because the population mean yield for formulation 1 appears to be approximately equal to the population mean yield for formulation 2. C. Yes, because the sample mean yield for formulation 1 appears to be significantly higher than the sample mean yield for formulation 2. D. No, because the sample mean yield for formulation 1 appears to be significantly higher than the sample mean yield for formulation 2. Based on the graph, does there appear to be evidence of a mixer speed x formulation interaction? A. Yes, because the lines connecting the population means are approximately parallel. B. No, because the lines connecting the population means are approximately parallel. C. Yes, because the lines connecting the sample means are approximately parallel. D. No, because the lines connecting the sample means are approximately parallel. For the 2-way ANOVA model, a balanced design implies A. The same number of observations at each treatment level. B. The same number of treatments as factors. C. The factors are a random sample. D. Both A and C
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