Exam 21: Graphs in Economics

On a two-dimensional graph representing two variables:

(Table: Hours Studied and Quiz Score)Use 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 question: -(Figure: Consumption of Pizza and Tacos)Use Figure: Consumption of Pizza and Tacos.The figure shows the number of tacos and pizza slices Matt can eat in a day.The relation is nonlinear,and there is a negative relation between the number of tacos and pizza slices that Matt can eat in a day.

A pie chart is used to depict information about:

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

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

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

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

Use the following to answer question: -(Figure: Labor Force Participation Rate)Use Figure: Labor Force Participation Rate.During 1970-1985,the labor force participation rate was _____ for women and _____ for men.

Use the following to answer question: -(Figure: Demand and Supply of Shirts)Use Figure: Demand and Supply of Shirts.In the graph,if the line labeled D shows how many shirts per week will be demanded at various prices,then it is clear that,as the price of shirts falls:

Use the following to answer question: -(Figure: Unemployment Rate over Time)Use Figure: Unemployment Rate over Time.In the time-series graph,as we move from 1991 to 1993,we see that the unemployment rate has _____ from approximately _____% to approximately _____%.

Use the following to answer question: -(Figure: Slope)Use Figure: Slope.The slope of the line in the graph can be calculated by:

Professor Macro wants to use a numerical graph to show the percentage of government spending accounted for by its various components.Which graph is MOST suitable for this purpose?

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

In the graph of a curve,the vertical intercept is the:

If two variables are negatively related,they will always be represented by a:

The relation between two variables that move in the same direction is said to be:

Use the following to answer question: -(Figure: Good X and Good Y)Use Figure: Good X and Good Y.If we move from point B to point C in the figure,the x-variable has _____ units and the y-variable has _____ units.

Use the following to answer question: -(Figure: Unemployment Rate over Time)Use Figure: Unemployment Rate over Time.In the time-series graph,as we move from 1993 to 1995,we see that the unemployment rate has _____ from approximately _____% to approximately _____%.

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 a(n):