Fourth Quarter 2010
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

0.71

October

0.36

November

0.42

December

0.56

Gross Beta

Quarter

0.62

October

0.95

November

0.47

December

0.95

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 6

0.05

 

October 13

0.62

 

October 20

0.89

 

October 27

0.12

 

November 3

0.20

 

November 10

0.67

 

November 17

0.13

 

November 24

0.47

 

December 1

1.00

 

December 8

0.05

 

December 15

0.32

 

December 22

0.78

 

December 29

0.39

Gross Beta

 

October 6

0.20

 

October 13

0.17

 

October 20

0.62

 

October 27

0.57

 

November 3

0.09

 

November 10

0.48

 

November 17

0.07

 

November 24

0.36

 

December 1

0.34

 

December 8

0.63

 

December 15

0.67

 

December 22

0.57

 

December 29

0.15

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

 

 

 

Fourth Quarter 2010
INL Quarterly Site Environmental Report
Return to Index