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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

H

pb

 

 

Gross Alpha

 

 

Quarter

1.44

0.49

 

 

April

9.33

0.86

 

 

May

4.64

0.99

 

 

June

9.91

0.83

 

 

Gross Beta

 

 

Quarter

0.45

0.80

 

 

April

5.01

0.99

 

 

May

2.32

1.00

 

 

June

4.68

0.99

 

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

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

U

Z

pb

Gross Alpha

April 9th

20.0

-0.14

0.89

April 16th

12.5

-1.21

0.23

April 23rd

12.0

0.89

0.37

April 30th

17.0

-0.57

0.57

May 7th

11.0

-1.43

0.15

May 14th

17.5

0.50

0.62

May 21st

14.5

-0.93

0.35

May 28th

9.5

1.36

0.17

June 4th

20.0

-0.14

0.89

June 11th

19.0

-0.29

0.78

June 18th

17.0

0.57

0.57

June 25th

15.0

-0.86

0.39

Gross Beta

April 9th

17.0

-0.57

0.57

April 16th

11.5

-1.36

0.18

April 23rd

16.5

-0.16

0.87

April 30th

17.0

-0.57

0.57

May 7th

20.5

0.07

0.94

May 14th

12.0

1.29

0.20

May 21st

18.0

-0.43

0.67

May 28th

7.0

-1.76

0.08

June 4th

15.0

-0.86

0.39

June 11th

18.0

-0.43

0.67

June 18th

19.5

-0.21

0.83

June 25th

8.5

-1.79

0.07

a.       See the Determining Statistical Differences of the Helpful Information section for details on the Mann-Whitney U test and a description of each test statistic.

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

 

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