In Phase i Application of x And r Chart The Control Limits Obtained

In Phase i Application of x And r Chart The Control Limits Obtained From The Equation Are Treated as

[A] Final Limits
[B] Trial Limits
[C] Warning Limits
[D] Pattern Limits

The correct answer for in Phase I Application of x And r Chart The Control Limits Obtained From The Equation Are Treated as is Trial Limits