The below graph is the result of a survey done to know favorite sports of different students.
Study the joint bar graph and state how many girls were interviewed for this survey.
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Solution
To get the total number of girls being interviewed, we need to add the girl's count of liking for each sport. The yellow bar is representing the number of girls.
Number of girls whose favourite sport is Soccer = 6
Number of girls whose favourite sport is Softball = 2
Number of girls whose favourite sport is Basketball = 1
Number of girls whose favourite sport is Other = 1 [1mark]
The number of girls interviewed for this survey = 6+2+1+1 =10. [1mark]