Converting Frequency Tables to Percent Bar Graphs

The video tutorial explains how to create a percent bar graph using survey data. It begins with an introduction to percent bar graphs and their purpose. The tutorial then guides viewers through converting survey results into fractions, then into decimals, and finally into percentages. The final section demonstrates how to construct the percent bar graph using the calculated percentages, ensuring the total equals 100%.

What type of bar graph is used to show the relative values of responses?

• Line graph

• Percent bar graph

• Pie chart

• Histogram

How many students participated in the soda preference survey?

• 25 students

• 20 students

• 15 students

• 30 students

What fraction represents the students who chose Coke?

• 7/20

• 7/30

• 7/25

• 7/15

What is the decimal equivalent of 7/20?

• 0.25

• 0.35

• 0.45

• 0.55

What method simplifies the calculation of converting fractions to decimals?

• Multiplying by 5

• Dividing by 5

• Multiplying by 10

• Adding 5

What is the percentage of students who preferred Pepsi?

• 15%

• 20%

• 25%

• 30%

Which soda had the highest percentage of preference?

• Sprite

• Dr Pepper

• Pepsi

• Coke

How is the percentage for each soda calculated from the decimal?

• Add 100

• Divide by 100

• Multiply by 100

• Subtract 100

What is the correct sequence to plot on a percent bar graph starting from the highest?

• Coke, Sprite, Pepsi, Dr Pepper, Orange

• Coke, Pepsi, Sprite, Dr Pepper, Orange

• Coke, Dr Pepper, Pepsi, Sprite, Orange

• Coke, Pepsi, Dr Pepper, Sprite, Orange

What total percentage should all the sodas add up to on the bar graph?

• 105%

• 100%

• 95%

• 90%