Which is correct and most complete?

a. Using an EIMSE optimal design, the snap tab study could have been done with 20 runs or fewer.

b. The LCRSM approach used could have generated a less accurate prediction model than any of the standard RSM approaches in Chapter 13.

c. By dropping fixing factor C, it would have been possible to using an EIMSE optimal design and 16 or fewer runs.

d. All of the above are correct.

e. All of the above are correct except

(a) and (d).