In Looking at a Graph of Data, There Seems to Be

question 26

Multiple Choice

In looking at a graph of data, there seems to be a curved pattern, possibly because of the influence of a third variable.Should simple linear regression be used?

• A) Yes; the data are linear.
• B) Yes; the data are nonlinear.
• C) No; the date are linear.
• D) No; the data are nonlinear.

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Definitions:

Dependent Variable

A measurable outcome or effect in an experiment that is influenced by changes in the independent variable.

Independent Variable

the variable that is manipulated or changed in an experiment to explore its effects on the dependent variable.

Control Group

A collection of individuals in a study who do not undergo the experimental intervention, serving as a comparison point to evaluate the performance of participants who do.

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.