Understanding and Constructing Pie Graphs

What is the primary purpose of a pie graph?

• To compare two different data sets

• To display data trends over time

• To show the relationship between parts and the whole

• To calculate the average of a data set

What is the first step in organizing data for a pie graph?

• Drawing the circle

• Using a protractor

• Listing all expenses

• Calculating percentages

How do you calculate the percentage of each item for a pie graph?

• Divide each item by the total and multiply by 100

• Divide the total by each item and multiply by 100

• Add all items and divide by the total

• Multiply each item by the total

What is the total percentage of light and water expenses in Santa's family example?

• 50%

• 30%

• 20%

• 10%

How many degrees does a full circle have in a pie graph?

• 360 degrees

• 90 degrees

• 270 degrees

• 180 degrees

What tool can be used to accurately divide a circle in a pie graph?

• Ruler

• Protractor

• Compass

• Calculator

Which item has the largest allocation in Santa's family's pie graph?

• Food

• Light and Water

• Miscellaneous

• Transportation

What is the percentage allocation for transportation in the example?

• 10%

• 40%

• 20%

• 30%

Which two items have the same percentage allocation in the pie graph?

• Transportation and Light and Water

• Food and Transportation

• Light and Water and Miscellaneous

• Food and Miscellaneous

How can you calculate the amount spent on transportation if only the percentage is given?

• Add the percentage to the total amount

• Subtract the percentage from the total amount

• Divide the total amount by the percentage

• Multiply the percentage by the total amount