Parameters

Unit

S1

S2

S3

S4

S5

S6

S7

MEAN

STANDARD DEVIATION

VARIANCE

Lead (Pb)

mg/kg

17.500

6.000

6.750

0.500

2.250

4.250

1.250

5.5

5.787918

33.5

Cadmium (Cd)

mg/kg

4.575

4.225

4.150

4.950

2.125

1.975

0.775

3.253571

1.60328

2.570506

Zinc (Zn)

mg/kg

39.525

28.375

22.025

22.900

46.525

33.150

6.700

28.45714

13.01667

169.4337

Copper (Cu)

mg/kg

14.800

16.750

8.350

9.775

18.575

19.100

3.025

12.91071

6.014719

36.17685

Cobalt (Co)

mg/kg

928.450

1159.425

747.275

914.850

330.600

638.725

<0.001

786.5542

285.2779

81383.48

Nickel (Ni)

mg/kg

33.725

19.025

12.550

14.600

<0.001

23.150

10.600

18.94167

8.550448

73.11017