7. Four mark example problems II

Form an ungrouped frequency distribution table for the weight of \(25\) students in STD \(IV\) given below and answer the following questions.

 

\(25\), \(24\), \(20\), \(25\), \(16\), \(15\), \(18\), \(20\), \(25\), \(16\), \(20\), \(16\), \(15\), \(18\), \(25\), \(16\), \(24\), \(18\), \(25\), \(15\), \(27\), \(20\), \(20\), \(27\), \(25\).

 

1. Find the range of the weight.

 

2. How many of the students has the highest weight in the class.

 

3. What is the weight to which more number of students belong to?  students belong to  \(kg\) weight.

 

4. How many of them belong to the least weight?  students belong to the least weight of  \(kg\).