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When a firm's average total cost curve continually declines, the firm is a
Confounded
A situation in research where the effect of one variable is mixed up with the effect of another, making it difficult to ascertain causality.
Correlated
Being correlated refers to a statistical relationship between two or more variables, where a change in one is associated with a change in the other.
Control Group
In experimental research, a group of subjects that does not receive the treatment being tested, used as a benchmark to measure the effects of the treatment on another group.
Independent Variable
In scientific research, the variable that is manipulated or changed to observe its effect on a dependent variable.
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