For a Single Variable at the Interval-Ratio Level, an Appropriate

question 4

Multiple Choice

For a single variable at the interval-ratio level, an appropriate graph would be

• A) a pie chart
• B) a histogram
• C) a bivariate table
• D) none of the above. Graphs are never used for interval-ratio level variables

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Definitions:

Independent Variable

An independent variable is a variable that is manipulated or changed in an experiment to test its effect on a dependent variable.

Dependent Variable

The outcome factor in a study that changes in response to manipulations of the independent variable.

Predicted Score

An estimate based on a model or algorithm of what a variable's value will be based on other variables.

Regression Equation

An equation that describes the relationship between one dependent variable and one or more independent variables, often used to predict outcomes.