Understanding Venn Diagrams and Survey Analysis

The video tutorial explains how to analyze survey data on social media usage using a Venn diagram. It details the percentages of people using Instagram, Twitter, both, or neither. The tutorial guides viewers through calculations to determine exclusive and overlapping user percentages, concluding with the percentage of people using neither service.

What percentage of survey participants used both Instagram and Twitter?

• 9%

• 18%

• 55%

• 36%

In a Venn diagram, what does the intersection of two sets represent?

• Elements unique to each set

• The difference between the two sets

• Elements common to both sets

• The total number of elements in both sets

How do you calculate the percentage of people who only used Instagram?

• Subtract the percentage of Twitter users from Instagram users

• Divide the percentage of Instagram users by both users

• Add the percentage of both users to Instagram users

• Subtract the percentage of both users from Instagram users

What is the percentage of people who only used Instagram?

• 36%

• 9%

• 46%

• 27%

How do you determine the percentage of people who only used Twitter?

• Subtract the percentage of Instagram users from Twitter users

• Add the percentage of both users to Twitter users

• Subtract the percentage of both users from Twitter users

• Divide the percentage of Twitter users by both users

What is the percentage of people who only used Twitter?

• 46%

• 27%

• 9%

• 36%

What is the first step in finding the percentage of people who used neither Instagram nor Twitter?

• Add the percentage of both users to 100%

• Subtract the sum of Instagram and Twitter users from 100%

• Subtract the percentage of both users from 100%

• Add the percentages of Instagram and Twitter users

What is the total percentage of people who used either Instagram or Twitter or both?

• 55%

• 100%

• 18%

• 82%

What percentage of people surveyed used neither Instagram nor Twitter?

• 9%

• 18%

• 27%

• 36%

Which of the following represents the universal set in this context?

• The set of Instagram users

• The set of Twitter users

• The set of both Instagram and Twitter users

• All people surveyed