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GENERAL32936
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GENERAL32936
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Last modified
8/24/2016 7:55:12 PM
Creation date
11/23/2007 7:28:14 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981008
IBM Index Class Name
General Documents
Doc Date
9/30/1993
Doc Name
Phase II Bond Release App TOC To Page 33
Permit Index Doc Type
VEGETATION
Media Type
D
Archive
No
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' The values aze: <br /> Area 1 <br />Xbar -17.-33-ia.o <br />S 1.15 `1,0 <br />n 3 <br />v 2 <br />Reference Area <br />22.67 <br />4.21 ~ ~ ` <br />12 <br />11 <br />v-~~~1 <br />Szp = (vztSzt+vzzSzz)/ rzi+~2 =[(2)2(1.15)2+(11)2(4.21)2]/(2)2+(11)2 <br />S2p =-la-l9 ~~,i <br />SXj-X2= sgrt[S2p(nt+n2~n1n7)] = sgrt[17.19[3+12/(3)(12)]] = sgrt[7.16] <br />Sxt-x2= 2:68 a,S) <br />The t test equation with the sample cover data becomes: <br />t = [17.33-(0.9)x(22.67)]/2.68 <br />t=9.15 3.a~~ <br />The critical value of the t statistic for 90% confidence, one-tailed test, with 13 degrees <br />of freedom is 1.350 Since the calculated t value is less than the critical value, the <br />~_. <br />original hypothesis (IIo: µ„~„ t > 0.9µ~fe~~ „~ is not rejected. The statistical <br />conclusion is that the Area 1 areas subject to the reference area cover standard meet the <br />revegetation success criterion for cover at this time. These areas have live aerial <br />vegetation cover equal to or greater than 9090 of the 22.6790 Upland Sagebrush <br />Reference Area aerial vegetation cover with 90% statistical confidence. Based on <br />vegetative cover, these areas qualify at this dme for Phase II Bond Release. <br />AREA 2 VEGETATION COVER <br />The hypotheses to be tested for Area 2 aze: <br />Ho : {tarru 2 > 0.9{trefCrencx arra <br />Ha ~ µarea 2 < 0.9µRference area <br />The test statistic to be employed is the one-tailed t-test (tar, 1974). The equation for <br />the test is as follows: <br />t = abs value[X~ference area - Xarea 2] <br />Sxl-x2 <br />14 <br />
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