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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 4GP
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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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