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INL Site

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

0.00

January

0.60

February

0.19

March

0.00

Gross Beta

Quarter

0.03

January

0.01

February

0.60

March

0.29

a. A 'p' value greater than 0.05 signifies no statistical difference between data groups. Values below 0.05 are indicated in red.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 4

0.39

 

January 11

0.03

 

January 18

0.34

 

January 25

0.89

 

February 1

0.05

 

February 8

0.09

 

February 15

0.39

 

February 22

0.12

 

March 1

0.32

 

March 8

0.39

 

March 15

0.62

 

March 22

0.17

 

March 29

0.09

Gross Beta

 

January 4

0.05

 

January 11

0.03

 

January 18

0.30

 

January 25

0.07

 

February 1

0.12

 

February 8

0.89

 

February 15

0.83

 

February 22

0.09

 

March 1

0.07

 

March 8

0.09

 

March 15

0.48

 

March 22

1.00

 

March 29

0.72

a.     A 'p' value greater than 0.05 signifies no statistical difference between data groups. Values below 0.05 are indicated in red.

 

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