Second 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

0.02

April

0.22

May

0.19

June

0.19

Gross Beta

Quarter

0.99

April

0.53

May

0.90

June

0.48

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

 

April 4th

1.00

 

April 11th

0.27

 

April 18th

0.57

 

April 25th

0.03

 

May 2nd

0.65

 

May 9th

0.02

 

May 16th

0.75

 

May 23rd

0.03

 

May 30th

0.48

 

June 6th

0.78

 

June 13th

0.14

 

June 20th

0.42

 

June 27th

0.43

Gross Beta

 

April 4th

0.05

 

April 11th

1.00

 

April 18th

1.00

 

April 25th

0.01

 

May 2nd

0.36

 

May 9th

0.03

 

May 16th

0.87

 

May 23rd

0.87

 

May 30th

0.20

 

June 6th

0.48

 

June 13th

0.47

 

June 20th

0.30

 

June 27th

0.78

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Second Quarter 2007
INL Quarterly Site Environmental Report
Return to Index