The following chart presents the number of new and abandoned hazardous waste sites found in various regions in the United States by the 1990s. Which region has the greatest number of hazardous waste sites? Estimate the number.

The various categories that are being graphed on a circle graph usually indicate what?
The bar graph in the following graphic represents fictional net exports in billions of dollars for five countries. Net exports are obtained by subtracting total imports from total exports; a negative net export means the country imported more goods than it exported. What is the sum of net exports for Germany and China ?

Which animal group actually saw a drop in the number of endangered and threatened species between 1995 and 2005?

Explain whether a bar graph, double bar graph, or circle graph is the best way to display the following set of data:the number of teens who attended art museums, symphony concerts, rock concerts, and athletic events in 1990 compared to the number who attended the same events this year.
The circle graph shows the favorite hobbies of students in Mrs. Chung’s classroom. Which hobby was chosen as a favorite about as many times as playing the piano?

The bar graph in the following graphic represents fictional net exports in billions of dollars for five countries. Net exports are obtained by subtracting total imports from total exports; a negative net export means the country imported more goods than it exported. What is the difference between the net exports from The United States and Denmark ?

A bar graph can be displayed in many ways. Which of the following does NOT represent a bar graph?
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