Experiment: Tensile Strength and Voltage Leakage
xd
9/29/10
9:19 AM
Page 289
35
7
10
11
15
11
(a) Does cotton percentage affect breaking strength? Draw t is shown below. Fill in the comparative box plots and perform an analysis of he P-value. variance. Use a P-value approach.
(b) Plot average tensile strength against cotton percentage
IE5002 results. and interpret theSpring 2012: Homework 3
5-8 (c) Which specific means are different? SAMPLES?
WHAT IF WE HAVE MORE THAN TWO
289
5-77 We study an experiment of the tensile strength of a synthetic fiber. It is suspected that
(d) Perform residual analysis and model checking.
MS
F strength is related to the percentage of cotton in the fiber. Five levels of cotton percentage
P
are ? used, and 5-78. An experiment in random order, resulting in the data that follow. five replicates are run was run to determine whether four
5-8
246.93
?
specific firing temperatures affect the density of a certain type
?
of brick. The experiment led to the following data. t is shown below. Fill in the
Observations
he P-value.
(a) Does the firing temperature affect the density of the
Cotton
bricks?
Percentage
1
2
3
4
5
(b) Find the P-value for the F-statistic computed in part (a). r Process Optimization and
15
7
7
15
11
9 g” (Solid State Technology,
Temperature ( F12
)
20
12
17
18
18
MS
F
P
lie describe an experiment to
?
?
?
14
18
18
19
19
10025
125
150
175 rate on the uniformity of the
?
30
19
25
19
23
Density 22 tegrated circuit manufactur35
7
10
11
15
11
e experiment, and the result21.8
21.7
21.9
21.9
replicates is shown here.
21.9
21.4
21.8
21.7
(a) Does cotton percentage affect breaking strength? Draw
21.7
21.5
21.8
21.8 t is shown below. Fill in the comparative box plots and perform an analysis of
(a) Does cotton percentage affect breaking strength? Draw comparative box plots and per21.6
21.6
21.7 servations he P-value. variance. Use a21.5
P-value approach.
form
9/29/10
9:19 AM
Page 289
35
7
10
11
15
11
(a) Does cotton percentage affect breaking strength? Draw t is shown below. Fill in the comparative box plots and perform an analysis of he P-value. variance. Use a P-value approach.
(b) Plot average tensile strength against cotton percentage
IE5002 results. and interpret theSpring 2012: Homework 3
5-8 (c) Which specific means are different? SAMPLES?
WHAT IF WE HAVE MORE THAN TWO
289
5-77 We study an experiment of the tensile strength of a synthetic fiber. It is suspected that
(d) Perform residual analysis and model checking.
MS
F strength is related to the percentage of cotton in the fiber. Five levels of cotton percentage
P
are ? used, and 5-78. An experiment in random order, resulting in the data that follow. five replicates are run was run to determine whether four
5-8
246.93
?
specific firing temperatures affect the density of a certain type
?
of brick. The experiment led to the following data. t is shown below. Fill in the
Observations
he P-value.
(a) Does the firing temperature affect the density of the
Cotton
bricks?
Percentage
1
2
3
4
5
(b) Find the P-value for the F-statistic computed in part (a). r Process Optimization and
15
7
7
15
11
9 g” (Solid State Technology,
Temperature ( F12
)
20
12
17
18
18
MS
F
P
lie describe an experiment to
?
?
?
14
18
18
19
19
10025
125
150
175 rate on the uniformity of the
?
30
19
25
19
23
Density 22 tegrated circuit manufactur35
7
10
11
15
11
e experiment, and the result21.8
21.7
21.9
21.9
replicates is shown here.
21.9
21.4
21.8
21.7
(a) Does cotton percentage affect breaking strength? Draw
21.7
21.5
21.8
21.8 t is shown below. Fill in the comparative box plots and perform an analysis of
(a) Does cotton percentage affect breaking strength? Draw comparative box plots and per21.6
21.6
21.7 servations he P-value. variance. Use a21.5
P-value approach.
form