Exam 32: Graphs in Economics

Use the following to answer question : -(Table: Hours Studied and Quiz Score) Look at the table Hours Studied and Quiz Score. The table shows data for students in an economics class. If we were to graph these data and draw a line through the points, we would choose ______ to be the independent variable; the vertical intercept of our line would be ______; and the slope of our line would be ______.

Use the following to answer questions : -(Table: Price, Quantity Demanded, and Quantity Supplied) Look at the table Price, Quantity Demanded, and Quantity Supplied. The slope of the line representing the relationship between price on the vertical axis and quantity demanded on the horizontal axis is:

Use the following to answer questions : -(Table: Price, Quantity Demanded, and Quantity Supplied) Look at the table Price, Quantity Demanded, and Quantity Supplied. The slope of the line representing the relation between price on the vertical axis and quantity supplied on the horizontal axis is:

Use the following to answer questions Figure: Illustrating Slope -(Figure: Illustrating Slope) Look at the figure Illustrating Slope. In the graph, line 1 depicts X and Y to be:

In looking at a chart of the positive relationship between police officers and crime, the mayor remarks that more police officers cause more crime. The mayor may be wrong because she did not consider:

A town hires more police officers and then has an increase in arrests. One can conclude that the larger police force caused more crime.

The ______ of a curve shows the point at which the curve intersects an axis.

Use the following to answer questions Figure: Unemployment Rate over Time -(Figure: Unemployment Rate over Time) Look at the figure Unemployment Rate over Time. In the time-series graph, as we move from the beginning of 2001 to the beginning of 2003, we see that the unemployment rate has _____ from approximately _____ to approximately _____.

A linear curve has the same slope between every pair of points.

The point at which the axes of a graph intersect is called the:

The owner of the Dismal Philosopher, one of five bookstores on College Road, asks you to make a graph showing each College Road bookstore's share of all five stores' book purchases. The best way to show this information is with:

If two variables are positively related, on a graph they will always be represented by:

The ratio of the change in the variable on the vertical axis to the change in the variable on the horizontal axis, measured between two points on the curve, is the:

If two variables are negatively related:

Use the following to answer questions : -(Table: Price, Quantity Demanded, and Quantity Supplied) Look at the table Price, Quantity Demanded, and Quantity Supplied. A straight line represents the relation between:

Use the following to answer questions Figure: Unemployment Rate over Time -(Figure: Unemployment Rate over Time) Look at the figure Unemployment Rate over Time. In the time-series graph, as we move from 1997 to 2001, we see that the unemployment rate has _____ from approximately _____ to approximately _____.

Use the following to answer questions Figure: Hot Drinks Sold and Temperature -(Figure: Hot Drinks Sold and Temperature) Look at the figure Hot Drinks Sold and Temperature. If we move from point K to point L in the figure, the outside temperature has ______ degrees and the number of hot drinks sold has ______.

In a time-series graph, large changes can be made to appear trivial by:

Use the following to answer questions : -(Table: Price, Quantity Demanded, and Quantity Supplied) Look at the table Price, Quantity Demanded, and Quantity Supplied. The data in the figure suggest a nonlinear relation between:

On a graph representing two variables: