Third Quarter 2006
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

0.61

July

0.44

August

0.92

September

0.76

Gross Beta

Quarter

0.53

July

0.26

August

0.51

September

0.86

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 5th

1.00

 

July 12th

0.04

 

July 19th

0.29

 

July 26th

0.29

 

August 2nd

0.20

 

August 9th

0.48

 

August 16th

0.67

 

August 23rd

0.78

 

August 30th

0.01

 

September 6th

0.39

 

September 13th

0.57

 

September 20th

0.07

 

September 27th

0.67

Gross Beta

 

July 5th

0.56

 

July 12th

0.20

 

July 19th

0.10

 

July 26th

0.22

 

August 2nd

0.52

 

August 9th

0.48

 

August 16th

0.25

 

August 23rd

0.58

 

August 30th

0.20

 

September 6th

0.06

 

September 13th

0.09

 

September 20th

0.09

 

September 27th

0.15

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

 

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