Fourth Quarter 2009
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

0.55

October

0.26

November

0.57

December

0.49

Gross Beta

Quarter

0.06

October

0.49

November

0.02

December

0.07

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 7

0.67

 

October 14

0.13

 

October 21

0.25

 

October 28

0.58

 

November 4

0.15

 

November 11

0.48

 

November 18

0.78

 

November 25

0.39

 

December 2

0.71

 

December 9

0.57

 

December 16

0.00

 

December 23

0.29

 

December 30

0.52

Gross Beta

 

October 7

0.62

 

October 14

0.28

 

October 21

0.94

 

October 28

0.20

 

November 4

0.08

 

November 11

0.48

 

November 18

0.43

 

November 25

0.35

 

December 2

0.71

 

December 9

0.52

 

December 16

0.02

 

December 23

0.37

 

December 30

0.68

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

 

Fourth Quarter 2009
INL Quarterly Site Environmental Report
Return to Index