The histogram below represents marks of students in a Mathematics exam with passing marks as 30. For finding the number of failed students, what is the class interval that needs to be considered?

15 - 30

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0 - 30

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15 - 45

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30 - 100

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Solution

The correct option is B 0 - 30
If the pass mark is 30, the students who scored less than 30 marks are failed. So to find the number of students with less than 30 marks, the class interval 0 - 30 is considered and the frequency of the class interval is found.

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The histogram below represents marks of students in a Mathematics exam with passing marks as 30. For finding the number of failed students, what is the class interval that needs to be considered?

The correct option is B 0 - 30If the pass mark is 30, the students who scored less than 30 marks are failed. So to find the number of students with less than 30 marks, the class interval 0 - 30 is considered and the frequency of the class interval is found.

The correct option is B 0 - 30
If the pass mark is 30, the students who scored less than 30 marks are failed. So to find the number of students with less than 30 marks, the class interval 0 - 30 is considered and the frequency of the class interval is found.