Quiz 1 SU23
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School
University of Massachusetts, Lowell *
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Course
4730
Subject
Industrial Engineering
Date
Feb 20, 2024
Type
Pages
2
Uploaded by PrivateWater4873 on coursehero.com
Name:
Date:
6/11/2023
Section:
________
Level 1
Level 2
Units
300
900
Lbs.
15
25
Feet
0.5
5
Years
W
W.L.
P.E.
W
W.L.
P.E.
Stiffness
W
W.L.
P.E.
* Add a third level to each factor:
W Level 3:
1200 Lbs.
W.L. Level 3:
40 Feet
P.E. Level 3:
20 Years
Array
Factors
5. Using 3 levels instead of 2 levels (1 Point): *
4. Adding a fourth factor Stiffness (firm or not firm), studying 2-way interactions (2 Points): Array
Factors
3. Adding a fourth factor Stiffness (firm or not firm), studying main factors only (2 Points):
Array
Factors
1. Studying all possible interactions (1 Point): 2. Studying no interactions (1 Point):
Pilot Experience
P.E.
Answer the questions below by determining the proper array and the column assignments of the main factors for the given situations.
(Use Array L4, L8, or L9 & Factor A, B, C, D, E, F, or G)
SUMMER 2023 Quiz #1
________________________________________
Problem 1 (7 points)
Weight
W
Wing Length
W.L.
The design team has selected three factors to investigate during the evaluation.
Factor
Abbreviation
The range of a glider is to be improved using a Design of Experiment. The objective is to maximize
the distance by running an orthogonal DoE. (Only use L4, L8 or L9)
Name:
Date:
6/11/2023
Section:
________
A
B
C
D
Pre-Treat
Temp.
Method
Additive
#1
#2
1
1
1
1
1
9
10
2
1
2
2
2
10
9
3
1
3
3
3
9
8
4
2
1
2
3
10
8
5
2
2
3
1
8
7
6
2
3
1
2
8
9
7
3
1
3
2
7
9
8
3
2
1
3
12
13
9
3
3
2
1
11
11
Pre-Treat
Temp.
Method
Additive
Level 1
10.17
9.3333333
Level 2
8.33
9.83
Level 3
10.50
8.00
10
Selected Level
1
2
Contribution
-1
-1.3333
DoF
SS
MSD
F Value
SS'
p%
2
14.33
9.21
0.277778
2
3.00
1.50
1.93
1.4444
0.031401
2
8.17
10.50
14.778
5.33
2.67
3.7778
0.082126
0.78
-
-
-
0.00
-
-
-
-
7.00
0.78
-
13.222
0.28744
46.00
2.71
-
1
EV=
EV=
CI= ±
7: What is the Confidence Interval using ± 2 * σError/sqrt(n)? (0.5 Points)
_________________________________
5: What is the Expected Value (EV) of the mean, when NOT considering (Taguchi) significance (0.5 Points)
_________________________________
6: What is the Expected Value (EV) of the mean, when considering (Taguchi) significance? (0.5 Points)
_________________________________
Pooled Error
-
Total Error
-
Total
-
Method
Additive
Y
Replication Error
-
Pre-Treat
Y
Temp.
N
3: Complete the ANOVA table [Round to two decimals] - Please fill all blanks (3 Points)
(Please round to two decimal places)
F Critical Value =
Significant? p%
Factor
2: Perform Average Analysis for Mean [Round to two decimals] (3 Points)
Average Analysis for Mean (Average)
Average of Experiment =
An L9 experiment (4 Factors; Pre-Treat, Temp., Method, and Additive) was conducted for smaller is better.
Fill in ALL
the blanks: 1: What type of DoE is performed? Full / Fraction / Saturated [Please circle one] (0.5
Points
)
Exp. #
Results
SUMMER 2023 Quiz #1
________________________________________
Problem 2 (8)
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