Question

Q.102. For a particular year, following is the distribution of ages (in years) of primary school teachers in a
district:
Age (in years)
15 - 2020 - 25 25 - 30 30 - 35 35 40 40.45
10
30
50
50
No. of Teachers
30
6
1.
2
3.
4.
Write the lower limit of first class interval.
Determine the class limits of the fourth class interval.
Find the class mark of the class 45 - 50.
Determine the class size​

Answer 1

Answer:

hope this helps your study