Years of experiences

N

Mean

Std. Deviation

Sum of Squares

df

Mean Square

F

Sig.

1 - 5 yrs

41

40.0952

10.57346

7348.758

3

2449.586

28.373

0.000

6 - 10 yrs

55

36.4744

11.42761

25554.909

146

86.334

11 - 15 yrs

39

31.0741

5.48584

32903.667

149

16 - 20 yrs

15

26.6667

8.25126

Total

150

34.1667

10.49027