Drawing and Analyzing Pie Charts

This video tutorial explains how to draw a pie chart using a given data set of 18 people's favorite colors. It covers calculating the angles for each section of the pie chart, drawing the chart using a protractor, and verifying the accuracy of the chart. The tutorial concludes with a practice question for students to apply what they've learned.

What is the first step in drawing a pie chart?

• Calculate the total number of people.

• Draw a circle.

• Find the largest angle.

• List the colors.

How many people liked the color red?

• Five

• Four

• Three

• Six

What is the total number of people surveyed?

• 15

• 18

• 25

• 20

What is the total angle in a pie chart?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

How many degrees does each person represent in the pie chart?

• 30 degrees

• 15 degrees

• 20 degrees

• 25 degrees

What is the angle for the color red?

• 100 degrees

• 120 degrees

• 80 degrees

• 60 degrees

What should the sum of all angles in the pie chart be?

• 450 degrees

• 360 degrees

• 270 degrees

• 180 degrees

What tool is essential for drawing the sections of a pie chart?

• Compass

• Protractor

• Ruler

• Calculator

What angle is needed for the blue section?

• 60 degrees

• 80 degrees

• 100 degrees

• 120 degrees

What is the angle for the green section?

• 60 degrees

• 120 degrees

• 80 degrees

• 100 degrees