Which of the following is not true about factors?
A) Factors whose effect on the response variable interests us should be set at predetermined levels.
B) Factors whose effect on the response variable is not of interest can be set after the experiment.
C) One way to control factors is to fix their level at one predetermined value throughout the experiment.
D) Any combination of the values of the factors is called a treatment.

Question

Quizplus · Accepted Answer

Factors whose effect on the response variable is not of interest but could influence the outcome should be controlled or randomized during the design of the experiment, not set after the experiment. This ensures that their effects are minimized or accounted for in the analysis.

Which of the Following Is Not True About Factors