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~1 :~ <br />Bourg Vegetation Data <br />1998COVER DATA <br />1984 Area Vegetation Cover <br />Transect Veg Cover % Bare %Litter <br />1 32 33 35 <br />2 34 33 33 <br />3 28 35 37 <br />4 30 34 36 <br />5 38 35 27 <br />6 34 37 29 <br />7 27 40 33 <br />8 47 18 35 <br />9 31 33 36 <br />10 28 38 34 <br />11 25 30 45 <br />12 30 36 34 <br />13 32 29 39 <br />14 23 44 33 <br />15 27 27 46 <br />.~ ~~e <br />Mean x 31.07 <br />Std. Dev. 5.8 <br />Variance s: 34.1 <br />n=15 <br />Sample Adequacy t2 s2 <br />(d X)2 <br />1.345 <br />III IIIIIIIIIIIII III <br /> 1988 Area Vegetation Cover <br />Transect Veg Cover % Litter % Bare <br />1 26 47 27 <br />2 32 42 26 <br />3 35 38 24 <br />4 37 55 8 <br />5 32 51 17 <br />6 26 43 31 <br />7 30 56 14 <br />8 28 39 33 <br />9 36 39 25 <br />10 26 43 31 <br />11 35 45 20 <br />12 46 41 13 <br />13 31 48 21 <br />14 32 50 18 <br />15 33 54 13 <br />16 39 40 21 <br />17 30 50 20 <br />18 38 44 18 <br />19 31 46 23 <br />20 a1 a7 12 <br />'7y~ <br />Mean x 33.20 <br />Std. Dev. 5.3 <br />Variance s: 27.7 <br />n=20 <br />Sample Adequacy 12 s2 4.44 <br />(d X)2 <br />t (.1, 19 df)=1.328 <br />6.39 <br />Sample Adeouacv for alpha and beta (Kuooer 8 Hafner) <br />N= (t alpha+ t beta)2 (s2) 1.345+.692)^2)'34.1)/((.1'36.4)^2) <br />(d O) 2 10.68 1.328+.688)^2)'27.7)/((.1 '36.4)^2) <br />9.11 <br />Pooled Vegetation Cover for Reclaimed Areas <br />Mean - 29/112 x 31.07 + 83/112 32.65 <br />degrees of freedom=(15-1)+(20-1: 33 <br />Standard Error of Weighted Sample Mean (Sx) <br />Square root of ((29/112)^2'(34.1/15))+((83/112)^2'(27.7/20)) <br />0.913037 <br />Square root= 0.95553 <br />calculated O-pooled mean 36.4-32.65 = 3.924524 <br />Sx 0.95 <br />df=33 <br />i alpha .1 = 1.308 <br />