Which statement(s) are correct about the Factorial Plot shown here? (Note: There are 3 correct answers).

Question

StaÅ¡o Zver · Accepted Answer

When the cutting speed increased from low to high level, the tool age increases

StaÅ¡o Zver · Accepted Answer

The coefficient of the metal hardness is positively related to the output of tool age

StaÅ¡o Zver · Accepted Answer

The coded coefficient is lower for cutting speed than the cutting angle related to the output of tool age

StaÅ¡o Zver · Answer

These plots prove a statistically significance factor with 95% confidence

StaÅ¡o Zver · Answer

These plots are an example of interaction plots

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