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7.2. What is Confounding in 2k Factorial Design
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Which interaction(s) are usually recommended to be confounded?
10 points
ABC interaction
Higher order interaction
Depends on the experiment
Low order interaction
If two blocks are used to complete the data collection, how many effects must be confounded?
10 points
4
3
1
2
What is the minimum number of experiments required to understand all effects from a three-factor two-level study?
10 points
3
8
2
7
To confound the ABC effect, which treatment combinations should be run in one block. In other words, which treatment combinations should be assigned to the experimental units collected from one block to confound the ABC effect?
10 points
abc, a, b, and c
a, b, c, and (1)
ab, ac, bc, and abc
ab, ac, a, and abc
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