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Bunuel
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Bunuel
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­The sunburst graph gives the scores of a class consisting of 100 students. The inner circle gives the range of marks and the outer circle gives the number of students who have scored within that range. The score for each student was an integer.Step 1: Read the graph, restate what information it’s trying to present
This graph represents the many students (out of 100) scored a particular bucket of scores. 
 

 

Step 2: Read the question
We know that there are 100 scores, so typically, the median would be whatever the average of the 50th and 51st score. But this graph doesn’t show distinct values of those scores. So hopefully, these values fall in the same category.


Score 0-40 has 10 students

41-60 has 10 students

61-80 has 10 students

81-90 has 30 students

It’s safe to assume that the median score is probably somewhere between 81-90.


To answer the second part of the question: 

So 30 students = ( p / 100 ) X 10
P is 300


 
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1) Median is 50 lies in range of 81-90

2) 30 is 300% of 10
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