Sample No.

T²

Sample No.

T²

1

2.2397

11

0.7828

2

2.3294

12

4.033

3

4.0337

13

2.8089

4

1.649

14

4.3925

5

2.5909

15

4.9097

6

5.2907

16

2.8456

7

2.852

17

0.3557

8

3.3741

18

1.7849

9

4.6013

19

3.1023

10

9.8068

20

4.9902