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Table 9. Regression Analysis of Age <br />Gambel oak (Years) versus Size (Height) for <br /> Data <br /> i (Height-Inches) <br />X Height-cm Y <br />(Age-Years) <br /> i i <br /> 1 78 198.1 41 <br /> 2 59 149.9 27 <br /> 3 75 190.5 29 <br /> 4 142 360.7 63 <br /> 5 148 375.9 63 <br /> 6 84 213.4 32 <br /> 7 136 345.4 54 <br /> 8 46 116.8 18 <br /> 9 92 233.7 30 <br /> 10 108 274.3 75, <br /> 11 40 101.6 9 <br /> 12 66 167.6 15 <br /> 13 34 86.4 7 <br /> 14 14 35.6 5 <br /> 15 112 284.5 30 <br /> 16 58 147.3 11 <br /> 17 28 71.1 10 <br /> la 28 71.1 s <br /> 19 62 157.5 17 <br /> Averages 74,2 188.5 213,6 <br /> Analysis of Variance: Linear Pegression of Y on X <br />Source SS DF P7S F Ratio <br />Regression 6556.187 1 6556.187 65.55 <br />Residual 1700.234 17 100.014 <br />7bta1 Corr. 8256.421 18 <br />F (1, 17) = 8.28 a = 0.01 <br />2 <br />R = 0.794 = 79.4a <br />Y = 6.626 + 0.475X <br />• <br />-42- <br />