Appendix D-2

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

		Mann-Whitney U Test^a
Parameter	Week		p^b
Gross Alpha
	October 2nd		0.20
	October 9th		0.25
	October 16th		0.48
	October 23rd		0.15
	October 30th		0.32
	November 6th		0.20
	November 13th		0.45
	November 20th		0.67
	November 26th		0.83
	December 3rd		0.89
	December 10th		0.48
	December 17th		0.69
	December 23rd		1.00
	December 31st		0.25
Gross Beta
	October 2nd		0.18
	October 9th		0.15
	October 16th		0.48
	October 23rd		1.00
	October 30th		0.20
	November 6th		0.15
	November 13th		0.01
	November 20th		0.01
	November 26th		1.00
	December 3rd		0.02
	December 10th		0.78
	December 17th		0.03
	December 23rd		0.57
	December 31st		1.00

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.