SPSS 生物统计分析示例3 原始数据: 通过SPSS 统计分析推断种植密度(因素一)、品种(因素二)对亩产量(鲜重)的影响 数据文件“sw eetpotato-w et.sav” 密度 品种 553 2304 徐薯 18 胜利百号 红东 利丰 3 号 二黄 C-17 C-30 39(脱毒胜百) 1 1079.4 2010.7 2116.5 2412.8 682.6 2597.6 1765.2 934.8 1128.8 1000.0 975.1 1640.3 1936.6 1587.4 926.0 1818.3 1508.0 1333.4 904.8 1728.5 2 1243.5 1682.6 1746.1 1555.7 879.7 2428.1 1259.3 1090.6 1314.9 978.9 1518.6 1893.1 1799.0 787.1 1687.3 1814.9 1963.1 1893.1 1172.9 1333.4 3 2024.8 2469.3 2262.8 2333.5 833.4 2444.6 2089.0 969.8 1266.7 1400.1 1975.4 1222.3 2133.5 1629.7 888.9 2271.7 2000.1 1259.3 1311.2 1827.3 1)方差分析:Analyze General linear modelUnivariate… 结果输出: 方差分析表 Tests of Between-Subjects Effects Dependent Variable: 每亩鲜产 Source Type III Sum of Squares df Mean Square F Sig. Corrected Model 11407755.723(a) 29 393370.887 3.050 .002 Intercept 149601670.918 1 149601670.918 1159.757 .000 密度 689784.506 2 344892.253 2.674 .085 品种 8311710.289 9 923523.365 7.159 .000 密度 * 品种 2406260.927 18 133681.163 1.036 .453 Error 3869819.834 30 128993.994 Total 164879246.475 60 Corrected Total 15277575.557 59 a R Squared = .747 (Adjusted R Squared = .502) 无交互效应,密度因素不显著,品种因素极显著 2)多重比较(Post Hoc)结果 LSD 法: Multiple Comparisons Dependent Variable: 每亩鲜产 (I) 品种 (J) 品种 Mean Difference (I-J) Std. Error Sig. 95% Confidence Interval Lower Bound Upper Bound Lower Bound Upper Bound Lower Bound 553 2304 -350.249541 207.3595866 .102 -773.734313 73.235231 徐薯18 -529.618227(*) 207.3595866 .016 -953.103000 -106.133455 胜利百号 -248.221351 207.3595866 .241 -671.706123 175.263421 红东 486.491070(*) 207.3595866 .026 63.006298 909.975842 利丰3号 -759.726747(*) 207.3595866 .001 -1183.21151...