Statistical Design of Experiments
Statistical Design of Experiments
A:
A:
32 / 2 = 16
32 / 2 = 16
16 neg signs followed by 16 pos signs
16 neg signs followed by 16 pos signs
B:
B:
16 / 2 = 8
16 / 2 = 8
8 neg signs followed by 8 pos signs,
8 neg signs followed by 8 pos signs,
repeat once
repeat once
C:
C:
8 / 2 = 4
8 / 2 = 4
4 neg signs followed by 4 pos signs,
4 neg signs followed by 4 pos signs,
repeat 3 times
repeat 3 times
D:
D:
4 / 2 = 2
4 / 2 = 2
2 neg signs followed by 2 pos signs,
2 neg signs followed by 2 pos signs,
repeat 7 times
repeat 7 times
E: 2 / 2 = 1
E: 2 / 2 = 1
1 neg sign followed by 1 pos sign, repeat
1 neg sign followed by 1 pos sign, repeat
15 times
15 times
Practice!
Practice!
Scheme for a 2
Scheme for a 2
5
5
= 32 runs
= 32 runs
5 factors at 2 levels each
5 factors at 2 levels each
How would
How would
you write out
you write out
a
a
2
2
5
5
= 32 runs?
= 32 runs?
(5 factors at 2
(5 factors at 2
levels)
levels)
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