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Table 3 Element-specific minimum sample numbers (MSN) and actual sample sizes (n) for 12 elements in Germany, calculated using two methods applied to data of the Moss Survey 2015

From: Development of the software tool Sample Size for Arbitrary Distributions and exemplarily applying it for calculating minimum numbers of moss samples used as accumulation indicators for atmospheric deposition

 

As

Cd

Cr

Cu

Fe

Hg

N

Ni

Pb

Sb

V

Zn

Method A

92

58

45

15

56

27

8

59

65

31

48

13

Method C

110

117

79

55

18

70

10

73

75

36

56

17

n

400

398

398

399

400

400

400

400

400

397

400

400

  1. Italic numbers = MSN met or exceeded; method A = manual formula according to ICP Vegetation [1]; method C = SSAD method (Sample Size for Arbitrary Distributions)