Return to Index

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

0.21

January

0.38

February

0.30

March

0.41

Gross Beta

Quarter

0.50

January

0.71

February

0.89

March

1.00

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

 

 

 

January 8th

0.37

 

January 15th

0.94

 

January 22nd

0.43

 

January 29th

0.43

 

February 5th

0.78

 

February 12th

0.12

 

February 19th

0.81

 

February 26th

0.67

 

March 5th

0.78

 

March 12th

0.58

 

March 19th

0.48

 

March 26th

0.12

 

April 2nd

0.03

Gross Beta

 

 

 

January 8th

0.57

 

January 15th

0.81

 

January 22nd

0.03

 

January 29rd

0.06

 

February 5th

0.06

 

February 12th

0.004

 

February 19th

0.81

 

February 26th

0.89

 

March 5th

0.69

 

March 12th

0.25

 

March 19th

0.39

 

March 26th

0.35

 

April 2nd

0.48

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

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

 

Return to Index