The 1991 Exports and Imports by Industry Code Are Given

question 22

Multiple Choice

The 1991 exports and imports by industry code are given in the following table.What is the approximate slope coefficient estimate b of the regression of exports as a function of imports?

• A) -0.5.
• B) -5.0.
• C) -0.3.
• D) -3.0.
• E) 0.4.

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Definitions:

Matched Pairs Design

A method of assigning subjects to groups in which pairs of subjects are first matched on some characteristic and then individually assigned randomly to groups.

Matching Variable

A characteristic used to ensure that members of different groups in a study are similar on that particular attribute.

Dependent Variable

The variable in an experiment that is observed and measured, expected to change as a result of alterations to the independent variable.

Matched Pairs Design

A research design in experimental psychology where participants are paired based on specific characteristics, with one member of each pair assigned to the experimental group and the other to the control group.