Second Quarter 2011
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

0.06

April

0.86

May

0.18

June

0.12

Gross Beta

Quarter

0.93

April

0.69

May

0.79

June

0.87

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 6

0.12

 

April 13

0.78

 

April 20

0.39

 

April 27

1.00

 

May 4

0.13

 

May 11

0.89

 

May 18

0.32

 

May 25

0.15

 

June 1

0.83

 

June 8

0.25

 

June 15

0.02

 

June 22

1.00

 

June 29

0.06

Gross Beta

 

April 6

0.39

 

April 13

0.32

 

April 20

0.01

 

April 27

0.25

 

May 4

0.11

 

May 11

0.01

 

May 18

0.52

 

May 25

0.28

 

June 1

0.52

 

June 8

0.62

 

June 15

0.20

 

June 22

0.67

 

June 29

0.12

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

 

 

 

Second Quarter 2011
INL Quarterly Site Environmental Report
Return to Index