Second 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

0.30

April

0.95

May

0.35

June

0.56

Gross Beta

Quarter

0.94

April

0.79

May

0.99

June

0.94

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 7

0.32

 

April 14

0.57

 

April 21

0.20

 

April 28

0.48

 

May 5

0.67

 

May 12

0.06

 

May 19

0.57

 

May 27

0.32

 

June 2

0.15

 

June 9

0.78

 

June 16

0.48

 

June 23

0.39

 

June 30

0.33

Gross Beta

 

April 7

0.22

 

April 14

0.35

 

April 21

0.52

 

April 28

0.72

 

May 5

0.89

 

May 12

1.00

 

May 19

0.35

 

May 27

0.17

 

June 2

0.17

 

June 9

0.83

 

June 16

0.10

 

June 23

0.09

 

June 30

0.42  

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

 

 

Second Quarter 2010
INL Quarterly Site Environmental Report
Return to Index