During the medical check-up of 35 students of a class, their weigh | Filo
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During the medical check-up of students of a class, their weights were recorded as follows:

Weight (in kg)
Number of students
Less than
Less than
Less than
Less than
Less than
Less than
Less than
Less than









Draw a less than type ogive for the given data. Hence obtain the median weight from the graph and verify the result by using the formula.

Solution: Let us now plot the points corresponding to the ordered pairs given by and  on a graph paper and join them by a free hand smooth curve.
Now,
 Weight (in kg) Number of students (Frequency)
  
  
  
  
  
  
  
  
Mode: The class which have highest frequency.
In this case, class interval is the modal class.
Now,
Lower limit of modal class,
We know that,
Mode


Mode , verified.
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