S/N

Pair

Pair mean

Pair mean difference

T

P value

Decision on H₀

1

Zn*

Zn

1.5160 ± 0.7071

1.4818 ± 0.7167

0.0342 ± 0.0687

1.113

0.328

Accepted

2

Cu*

Cu

1.8120 ± 1.0205

2.0010 ± 0.7321

−0.189 ± 0.4604

−0.918

0.411

Accepted

3

Ca*

Ca

6.9420 ± 2.1703

0.3980 ± 0.2205

6.5440 ± 0.9698

7.428

0.002

Rejected

4

Mg*

Mg

3.6060 ± 1.5783

0.9296 ± 0.5303

2.6764 ± 1.9278

3.104

0.036

Rejected