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Table 8. Regression Analysis of Age (Years) versus Size (Height) for <br />Basin Big Sagebrush <br /> <br /> <br />~• <br />Data <br />i Xi (Height-Inches) <br />F±eight-cm <br />Yi (Age-Years) <br />1 15 36.1 10 <br />2 23 58.4 12 <br />3 37.5 95.3 16 <br />4 38.5 97.8 29 <br />5 26.5 67.3 8 <br />6 26 66.0 11 <br />7 45 114.3 24 <br />8 28 71.1 22 <br />9 32.5 82.6 39 <br />10 26.5 67.3 22 <br />11 44 111.8 35 <br />12 19.5 49.5 11 <br />13 42.5 108.0 47 <br />14 31.5 50.0 29 <br />15 26.5 67.3 37 <br />16 24 61.0 38 <br />17 31 78.7 36 <br />18 83 223.5 60 <br />19 17.5 44.5 8 <br />20 22 55.9 10 <br />Averages 32.2 ~.9- 25,2 <br />Analysis of Variance: Linear P,egression of Y on X <br />Source SS DF NLS F Ratio <br />Regression 2255.068 1 2255.068 21.32 <br />Residual 1904.132 18 105.785 <br />Zbtal Corr. 4159.200 19 <br />F (1, 18) = 8.18 a = 0.01 <br />z <br />R = 0.542 = 54.20 <br />n <br />Y = 2.802 <br />+ 0.695X <br />-41- <br />