An engineer suspects that the surface finish of metal parts is influenced by the type of paint used and the drying time. He selected three drying times-20, 25, and 30 minutes—and used two types of paint Three parts are tested with each combination of paint type and drying time. The data are as follows: (a) State the hypotheses of interest in this experiment. (b) Test the hypotheses in part (a) and draw conclusions using the analysis of variance with a = 0.05. (c) Analyze the residuals from this experiment. of variance with a = 0.05. (b) Graphically analyze the interaction. (c) Analyze the residuals from this experiment
An engineer suspects that the surface finish of metal parts is influenced by the type of paint used and the drying time. He selected three drying times-20, 25, and 30 minutes—and used two types of paint Three parts are tested with each combination of paint type and drying time. The data are as follows: (a) State the hypotheses of interest in this experiment. (b) Test the hypotheses in part (a) and draw conclusions using the analysis of variance with a = 0.05. (c) Analyze the residuals from this experiment. of variance with a = 0.05. (b) Graphically analyze the interaction. (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
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1. An engineer suspects that the surface finish of metal parts is influenced by the type of paint used and the drying time. He selected three drying times-20, 25, and 30 minutes—and used two types of paint Three parts are tested with each combination of paint type and drying time. The data are as follows:
(a) State the hypotheses of interest in this experiment.
(b) Test the hypotheses in part (a) and draw conclusions using the analysis of variance with a = 0.05.
(c) Analyze the residuals from this experiment. of variance with a = 0.05.
(b) Graphically analyze the interaction.
(c) Analyze the residuals from this experiment.

Transcribed Image Text:Drying Time (min)
Paint
20
25
30
1
74
73
78
64
61
85
50
44
92
2
92
98
66
86
73
45
68
88
85
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