Question

please answer for this question​

Answer 1

Assuming the class size =50−40=10
Lower class limit = 30−
2
10
​
=25
Upper class limit = 30+
2
10
​
=60
Constructing the grouped frequency distribution table:

Weight (kg)
Frequency
25−35
2
35−45
8
45−55
8
55−65
3
65−75
2
75−85
3
85−95
4
Total
30