For Table 1

For Table 2

Models

df

G2

Models

df

G2

S2

6

19.249*

S3

17

76.186* 

5

7.280

15

41.550*  

4

7.277

13

35.466* 

3

7.271

13

16.184 

1

11.978*

2

23.754* 

2

11.982*

4

29.250* 

3

11.987*

4

51.521* 


The symbol “*” means significant at 5% level.
Table 3: Likelihood ratio chi-square values G2 for models applied to the data in (Tables 1 and 2).