Question: A two-level, four-factor design was prepared but the project manager decided to cut the design in half and only run the following treatments; a, b,
A two-level, four-factor design was prepared but the project manager decided to cut the design in half and only run the following treatments; a, b, c, abc, ad, bd, cd, abcd.
Which contrast did the manager "throw away" in generating this design?
Question 6 options:
ACD
ABCD
BCD
ABC
BC
BD
AC
ABD
AD
AB
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