Page 533 - Design for Six Sigma a Roadmap for Product Development

492 Chapter Thirteen

Linear Graph for L4

3
1 2

7
2. L 8 (2 ) orthogonal array:
Column
Experiment no. 1 2 3 4 5 6 7
1 1 1 1 1 1 1 1
2 1 1 1 2 2 2 2
3 1 2 2 1 1 2 2
4 1 2 2 2 2 1 1
5 2 1 2 1 2 1 2
6 2 1 2 2 1 2 1
7 2 2 1 1 2 2 1
8 2 2 1 2 1 1 2

Linear Graphs for L8
(1) 1
(2) 2
3

3 5 7 5
4
1
6
7
4
2
6

Interaction table for L 8 :
Column
Column 1 2 3 4 5 6 7
1 (1) 3 2 5 4 7 6
2 (2) 1 6 7 4 5
3 (3) 7 6 5 4
4 (4) 1 2 3
5 (5) 3 2
6 (6) 1
7 (7)