Six Sigma Lean Black Belt Certification Questions Part 1

Question : 20 of 40

Marks: +1, -0

Which statement(s) are correct about the DOE Factorial plot output here? (Note: There are 3 correct answers).

Two factors were operated at 3 levels each
The highest tool age was achieved with metal hardness at high level while keeping the cutting speed at the low level
The design indicated above is a 32 factorial design
The cutting speed and cutting angle are at the low level for the least tool age achieved
All factors had 2 levels in the experiment

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