Consider the Formulation Below

question 50

Multiple Choice

Consider the formulation below. The standard form of the second constraint is:

• A) 5 X₁ + 5 X₂ = 20
• B) 6 X₁ + 2 X₂ = 18
• C) 6 X₁ + 2 X₂ + S₂ = 18
• D) 6 X₁ + 2 X₂ - S₂ = 18

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Definitions:

Control Group

In scientific experiments, a group of subjects that does not receive the treatment being tested, used for comparison purposes with the group that does receive the treatment.

Independent Variable

In an experiment, the variable that is manipulated by the researcher to observe its effects on the dependent variable.

Dependent Variable

The variable in an experiment that is observed and measured for changes to assess the effect of manipulations in the independent variable.

Psychological Experiment

A research method in psychology that tests hypotheses and theories by observing the outcomes of controlled interventions on human or animal subjects.