Statistical Design of Experiments
Statistical Design of Experiments
L8 Orthogonal Array
L8 Orthogonal Array
(Example)
(Example)
A
B
C
D
AxD
E
F
Hardness
1
1
1
1
1
1
1
1
13
17
2
1
1
1
2
2
2
2
12
13
3
1
2
2
1
1
2
2
20
24
4
1
2
2
2
2
1
1
24
19
5
2
1
2
1
2
1
2
19
20
6
2
1
2
2
1
2
1
18
18
7
2
2
1
1
2
2
1
20
21
8
2
2
1
2
1
1
2
16
19
Find:
Find:
(AxD) 1 =
(AxD) 1 =
(AxD) 2 =
(AxD) 2 =