Question

alculate standard deviation and coefficient of variation from the data given below:
Age (in years) 0-10 10-20 20-30 30-40 40-50 50-60 60-70
70-80

No. of Patients
5
8
7
12
28
20
10
10​

Answer 1

Answer:

0-10 = 3

10-20=3

20-30=2