Income

Mean

Standard deviation

Coefficient of variation

Range

Less than Rs.5000/-

25

0

0

05

Rs.5000/- to Rs.10,000/-

111.66

22.11

19.81

43

Rs.10,000 to Rs.15,000/-

120.7

16.66

13.8

35

Rs.15000 and above

122

15.73

12.89

34