Which statement(s) are correct about the DOE Factorial plot output here? (Note: There are 3 correct answers).
Which Statement 1 (31.51 KiB) Viewed 59 times
A. Two factors were operated at 3 levels each
B. The highest tool age was achieved with metal hardness at high level while keeping the cutting speed at the low level
C. The design indicated above is a 32 factorial design
D. The cutting speed and cutting angle are at the low level for the least tool age achieved
E. All factors had 2 levels in the experiment
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