Which statement(s) are correct about the Pareto Chart shown here for the DOE analysis? (Note: There are 2 correct answers).
A . It is unknown from this graph how many factors were in the Experimental Design
B . The factors to keep in the mathematical model are E, D, DE, BD and B with an alpha risk equal to 2.06
C . The effects to keep in the mathematical model are E, D, DE, BD and B with an alpha risk equal to 0.05
D . The factors to keep in the mathematical model with a 5% alpha risk are BE, AB, A and AD
Answer: A,C