Refer to the Graph Shown

question 136

Multiple Choice

Refer to the graph shown. A movement from D to C is most likely to be caused by:

• A)an increase in input prices.
• B)a reduction in sales taxes.
• C)an increase in aggregate demand.
• D)an increase in import prices.

---

Definitions:

Coefficient

A numerical or constant quantity placed before and multiplying the variable in an algebraic expression, often indicating the slope in linear equations or the degree of variation in correlation.

Unit Change

A measure indicating the change in outcome associated with a one-unit change in an independent variable within a statistical model.

Stepwise Regression

A procedure in regression analysis that automatically chooses the variables to be used for prediction.

Forward Selection

A stepwise regression approach where variables are sequentially added to the linear model based on their statistical significance in explaining the outcome variable.