O a. f= 14.7568 P-value=D0, reject Ho O b. f = 10.215734, P-value=0.5, do not reject Ho O C. f = 10.215734,P-value=0, reject Ho Od. o d. f = 14.7568,P-value=0, do not reject Ho 17568 D value-0 reiect H.

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In Design and Analysis of Experiments, 5th edition (John Wiley & Sons, 2001)
D. C. Montgomery describes an experiment in which the tensile strength of a
synthetic fiber is of interest to the manufacturer. It is suspected that strength is
related to the percentage of cotton in the fiber. Five levels of cotton percentage
are used, and five replicates are run in random order, resulting in the data
below.
Cotton
Percentage
15
Observations
3
1
7 15
12 17 12
14 18 18
19 25 22 19 23
7 10 11 15 11
7.
11
18 18
19 19
6.
20
25
30
35
After displaying the ANOVA table with the test Ho :all means are equal against
Ha: at least two of ui's are unequal. Find the test statistic values and
corresponding P-value. What is your conclusion if a = 0.05?
O a. f- 14.7568 P-value3D0, reject Ho
O b. f 10.215734, P-value=0.5, do not reject Ho
O C. f= 10.215734,P-value=D0, reject Ho
O d. f= 14.7568, P-value3D0, do not reject Ho
o e. f= 1.47568, P-value=D0, reject Ho
Transcribed Image Text:In Design and Analysis of Experiments, 5th edition (John Wiley & Sons, 2001) D. C. Montgomery describes an experiment in which the tensile strength of a synthetic fiber is of interest to the manufacturer. It is suspected that strength is related to the percentage of cotton in the fiber. Five levels of cotton percentage are used, and five replicates are run in random order, resulting in the data below. Cotton Percentage 15 Observations 3 1 7 15 12 17 12 14 18 18 19 25 22 19 23 7 10 11 15 11 7. 11 18 18 19 19 6. 20 25 30 35 After displaying the ANOVA table with the test Ho :all means are equal against Ha: at least two of ui's are unequal. Find the test statistic values and corresponding P-value. What is your conclusion if a = 0.05? O a. f- 14.7568 P-value3D0, reject Ho O b. f 10.215734, P-value=0.5, do not reject Ho O C. f= 10.215734,P-value=D0, reject Ho O d. f= 14.7568, P-value3D0, do not reject Ho o e. f= 1.47568, P-value=D0, reject Ho
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