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Table 10. Regression Analysis of Age (Years) versus Size (Height} for <br />Utah Serviceberry <br /> <br /> <br />i Data <br />Xi (Height-Inches) <br />Height-csn Yi <br />(Age-Years) <br />1 48 121.9 9 <br />2 110 279.4 21 <br />3 92 233.7 14 <br />4 74 188.0 14 <br />5 130 330.2 16 <br />6 102 259.1 15 <br />7 77 195.6 16 <br />8 46 116.8 18 <br />9 89 226.1 8 <br />10 120 304.8 27 <br />11 146 370.8 18 <br />12 60 152.4 19 <br />13 36 91.4 14 <br />14 69 175.3 13 <br />15 44 111.5 11 <br />16 43 109.2 7 <br />17 63 160.0 8 <br />18 57 144.8 22 <br />19 30 76.2 7 <br />20 28 71.1 5 <br /> Averages 73.2 185.9 14.1 <br /> Analysis of Variance: Linear Regression of Y on X <br />Source SS DF MS F Ratio <br />Regression 197.341 1 197.341 8.14 <br />Residual 436.459 18 24,248 <br />Total Corr. 633.800 19 <br />F (1, 18) = 4.41 a = 0.05 (F = 8.28 a = 0.01) <br />2 <br />R = 0.311 = 31.1 <br />n <br />Y = 7.246 + 0.094X <br />• <br />-43- <br />