Statistical Design of Experiments
Statistical Design of Experiments
If you have prior knowledge that this
If you have prior knowledge that this
relationship is true, using 2 levels is
relationship is true, using 2 levels is
optimum
optimum
Using 2 levels assumes a linear
Using 2 levels assumes a linear
relationship between the factor and the
relationship between the factor and the
response
response
Consider the factor (x) in
Consider the factor (x) in
relation to the response
relation to the response
variable, which is desired to
variable, which is desired to
have as low a value as possible
have as low a value as possible
i.e. the lowest response would
i.e. the lowest response would
result in an optimized
result in an optimized
product/process
product/process
10
10
6
6
8
8
2
2
4
4
Low
Low
High
High
Factor X
Factor X
2 Level Factor
2 Level Factor
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