Question

The age in years of 800 persons is as follows; find out the mean and median age :
Age
: 20—60 20—55 20–40 20—30 20—50 20—45 20—25 20-35
No. of Persons : 800 740 400 120 670 550 50 220
[Ans. X = 40.3 years, Me = 40 years)
79. Calculate mean and median from the following ​

Answer 1

Answer:

20—60 20—55 20–40 20—30 20—50 20—45 20—25 20-35

No. of Persons : 800 740 400 120 670 550 50 220

[Ans. X = 40.3 years, Me = 40 years)

Answer 2

Answer:

Explanation:

Firstly you need to arrange those class intervals and then you have to find the cummulative frequency (C.F). And solve it as normal process.