A Venn diagram is a diagram that uses circles to illustrate the relationships among sets.
Examples:
 The Venn diagram below shows the number of grade 7 students who scored above 50% on Math, above 50% on Science, and above 50% on both Math and Science.
From the above Venn diagram, 16 students scored above 50% on Math, 21 students scored above 50% on Science, and 6 students scored above 50% on both Math and Science.
 In a survey, the genders and ages of people who completed the questions are shown in the table below. Make a Venn diagram to show the number of people who are female and over age 30.
Survey Results:
Gender  Age  Gender  Age 
M  18  M  16 
F  30  M  35 
F  25  F  28 
M  50  F  45 
M  60  F  35 
F  17  M  38 
F  42  F  29 
F  30  F  46 
M  27  M  32 
F  48  F  25 
Directions: Answer the following questions. Also write at least 2 examples of your own.
 Make a Venn Diagram to show how many seventh grade females students responded to a recent survey.
Survey results:
Grade  6^{th}  5^{th}  8^{th} 
6^{th}  7^{th}  8^{th} 
7^{th}  8^{th}  6^{th} 
5^{th} 
Gender  M  F  M 
F  M  F 
M  F  F 
M 
 Make a Venn Diagram to show how many unemployed college graduates responded to a recent survey.
Survey results:
College Graduates  yes  no  yes  yes  yes  yes  no  yes
 no  yes  yes  no 
Employed  yes  yes  no  no  yes  no  yes  yes  yes  no  yes  no

