Understanding Pie Graphs

What is one of the primary uses of pie graphs?

• To compare the heights of different mountains

• To show the composition of ethnic groups in a country

• To display the timeline of historical events

• To list the names of all countries in the world

How do you convert raw data into degrees for a pie graph?

• Divide each percentage by 3.6

• Multiply each percentage by 2.5

• Add 10 to each percentage

• Multiply each percentage by 3.6

What tool is recommended for drawing the circle of a pie graph?

• A ruler

• A protractor

• A geometric compass

• A set square

Which ethnic group had the largest segment in the example pie graph?

• African-American

• Asian

• European

• American Indian / Native Americans

What is the final step in completing a pie graph?

• Collecting the data

• Calculating the percentages

• Drawing the segments

• Shading the segments and adding a key