To Use DSL, a Customer Needs a DSL Access Multiplexer

question 5

True/False

To use DSL, a customer needs a DSL Access Multiplexer installed at his or her location.

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Definitions:

Observational Group

A group in a study that is exposed to the variable under investigation for observational purposes without receiving the experimental treatment.

Independent Variable

In experimental research, the variable that is manipulated by the researcher to observe its effect on the dependent variable.

Dependent Variable

A variable in research that is expected to change as a result of manipulations in the independent variable, used to measure the effect of those manipulations.

Controlled Variable

A factor in an experiment that is purposefully kept constant to test the relative impact of an independent variable.