Fourth Quarter 2007
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

0.94

October

0.70

November

0.85

December

0.71

Gross Beta

Quarter

0.72

October

0.60

November

0.16

December

0.84

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

 

October 3

0.39

 

October 10

0.83

 

October 17

0.67

 

October 24

0.89

 

October 31

0.48

 

November 7

1.00

 

November 14

0.57

 

November 21

0.37

 

November 28

0.57

 

December 5

0.67

 

December 12

0.81

 

December 19

0.10

 

December 26

0.68

Gross Beta

 

October 3

0.32

 

October 10

0.28

 

October 17

0.13

 

October 24

0.09

 

October 31

0.57

 

November 7

0.06

 

November 14

0.78

 

November 21

0.46

 

November 28

0.06

 

December 5

0.09

 

December 12

0.33

 

December 19

0.10

 

December 26

0.94

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

 

Fourth Quarter 2007
INL Quarterly Site Environmental Report
Return to Index