Table 5 Descriptive statistics of data corresponding to the activity of radionuclides.

From: Environmental and mineralogical studies on the stream sediments of Baltim–El Burullus coastal plain, North Delta, Egypt

 

N

Mean

SD

Min

Max

Skewness

Kurtosis

CV, %

Ra-226

40

19.1

9.7

11.1

44.4

1.1

0.4

51

Th-232

40

14.7

9.5

4.0

40.4

1.4

1.5

65

K-40

40

211.0

71.3

65.7

391.3

0.4

0.3

34

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