Which of the Following Is Not True About Factors

question 46

Multiple Choice

Which of the following is not true about factors?

• A) Factors whose effect on the response variable is not of interest can be set after the experiment.
• B) Factors whose effect on the response variable interests us should be set at predetermined levels.
• 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.

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