Center j

Treatment

Control

$\log \left(\frac{X_{1j}}{n_{1j}}\right)-\log \left(\frac{X_{2j}}{n_{2j}}\right)$

$X_{1j}$

$n_{1j}$

$X_{2j}$

$n_{2j}$

1

3

4

1

3

0.811

2

3

4

8

11

0.031

3

2

2

2

3

0.405

4

2

2

2

2

0.000

5

2

2

0

3

*

6

1

3

2

3

−0.693

7

2

2

2

3

0.405

8

1

5

4

4

−1.609

9

2

2

2

3

0.405

10

0

2

2

3

*

11

3

3

3

3

0.000

12

2

2

0

2

*

13

1

4

1

5

0.223

14

2

3

2

4

0.288

15

2

4

4

6

−0.288

16

4

12

3

9

0.000

17

1

2

2

3

−0.288

18

3

3

1

4

1.386

19

1

4

2

3

−0.981

20

0

3

0

2

*

21

2

4

1

5

0.916