In the class, weight of students is measured for the class records. Calculate mean weight of the class students using Direct method.
| Weight in \(kg\) | \(15 - 25\) | \(25 - 35\) | \(35 - 45\) | \(45 - 55\) | \(55 - 65\) | \(65 - 75\) |
| No. of students | \(4\) | \(11\) | \(19\) | \(14\) | \(0\) | \(2\) |
Answer:
Mean \(=\) \(kg\)
(Note: Round off the answer to \(1\) decimal place.)