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APPENDIX D
STATISTICAL ANALYSIS RESULTS

Table D-1. Kruskal-Wallacea statistical results between INEEL, Boundary, and Distant sample groups by quarter and by month.
 

Parameter

pb

Gross Alpha

Quarter

0.72

July

0.90

August

0.59

September

0.76

Gross Beta

Quarter

0.89

July

0.36

August

0.81

September

0.98

a.       See the Determining Statistical Differences of the Helpful Information section for details on the Kruskal-Wallace test.

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

 
 
Table D-2. Statistical difference in weekly gross alpha concentrations measured at Boundary and Distant locations.

 

Mann-Whitney U Testa

Parameter

Week

pb

Gross Alpha

 

 

 

July 2nd

0.52

 

July 9th

0.67

 

July 16th

0.26

 

July 23rd

0.37

 

July 30th

0.20

 

August 6th

0.67

 

August 13th

1.00

 

August 20th

0.67

 

August 27th

0.06

 

September 3rd

0.67

 

September 10th

0.05

 

September 17th

0.87

 

September 24th

0.25

Gross Beta

 

 

 

July 2nd

0.87

 

July 9th

0.43

 

July 16th

0.01

 

July 23rd

0.12

 

July 30th

0.09

 

August 6th

0.87

 

August 13th

0.83

 

August 20th

0.94

 

August 27th

0.42

 

September 3rd

0.94

 

September 10th

0.25

 

September 17th

0.01

 

September 24th

0.87

See the Determining Statistical Differences  of the Helpful Information section for details on the Mann Whitney U  test.

a.          A ‘p’ value greater than 0.05 signifies no statistical difference between data groups.  Red text indicates dates with statistically significant differences.

 

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