Use the following to answer questions: 
-(Figure 7-2: Expanded Circular-Flow Model) Use Figure 7-2: Expanded Circular-Flow Model. What is the value of disposable income?
Definitions:
Research Hypothesis
Posits an expected causation, correlation, or difference between studied variables, formulated for scientific testing and verification.
Null Hypothesis
The default hypothesis in statistical testing that assumes no effect or difference, stating that any observed variability is due to chance.
Directional
Pertains to hypothesis testing or research questions that specify the direction of the expected relationship or difference between variables.
Entire Population
Refers to all members or elements of a defined group or category that a researcher is studying.
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