First Quarter 2008
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

0.62

January

0.56

February

0.48

March

0.37

Gross Beta

Quarter

0.10

January

0.06

February

0.69

March

0.33

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

 

January 2

0.42

 

January 9

1.00

 

January 16

0.22

 

January 23

0.04

 

January 30

0.81

 

February 6

0.69

 

February 13

0.58

 

February 20

0.20

 

February 27

0.75

 

March 5

0.12

 

March 12

0.48

 

March 19

1.00

 

March 26

0.48

Gross Beta

 

January 2

0.04

 

January 9

0.43

 

January 16

0.94

 

January 23

0.02

 

January 30

0.81

 

February 6

0.04

 

February 13

0.10

 

February 20

0.63

 

February 27

0.87

 

March 5

0.81

 

March 12

0.05

 

March 19

0.13

 

March 26

1.00

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

 

First Quarter 2008
INL Quarterly Site Environmental Report
Return to Index