Question

The table shows the age, in years, of employees in a company.
Age (a) in years
Frequency=/
18 < a < 20
3/
20 < a < 22
2/
22 < a < 24
7/
24 <a< 26
8/
26 <a
0/
a) Find the modal class interval.
< a <
b) Work out an estimate of the mean age of these employees.​

Answer 1

Answer:

** the age, in years, of employees in company:-18<21