Third Quarter 2011
INL Quarterly Site Environmental Report
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APPENDIX D
STATISTICAL ANALYSIS RESULTS

TABLE D-1    Results of the Kruskal-Wallace statistical test between INL Site, Boundary and Distant sample groups by month.

Parameter

Pa

Gross Alpha

Quarter

0.27

July

0.53

August

0.41

September

0.20

Gross Beta

Quarter

0.50

July

0.59

August

0.04

September

0.82

a.     A 'p' value greater than 0.05 signifies no statistical difference between data groups.

 

 

 

 

 

 

 

 

 

 

 

 

TABLE D-2     Statistical difference in weekly gross alpha and gross beta concentrations measured at Boundary and Distant locations.

 

 

 

Mann-Whitney U test

Parameter

Week

Pa

Gross Alpha

 

July 6

0.05

 

July 13

0.69

 

July 20

0.17

 

July 27

0.09

 

August 3

0.32

 

August 10

0.22

 

August 17

0.03

 

August 24

0.63

 

August 31

0.03

 

September 7

1.00

 

September 14

0.06

 

September 21

0.20

 

September 28

0.78

Gross Beta

 

July 6

0.13

 

July 13

0.30

 

July 20

0.67

 

July 27

0.15

 

August 3

0.05

 

August 10

0.37

 

August 17

0.39

 

August 24

0.63

 

August 31

0.20

 

September 7

0.89

 

September 14

0.78

 

September 21

0.25

 

September 28

0.12

a.     A 'p' value greater than 0.05 signifies no statistical difference between data groups.

 

 

 

Third Quarter 2011
INL Quarterly Site Environmental Report
Return to Index