【正文】
are F Value Pr F c 4 .0001由結(jié)果可知,故可認(rèn)為在水平a=,這些百分比的均值有顯著差異。44 解:(1) 不用協(xié)變量做方差分析由分析結(jié)果可知,花的品種、溫度和兩者的交互作用對(duì)鮮花產(chǎn)量的影響都是不顯著的。第五章: 正交試驗(yàn)設(shè)計(jì)53 解:用L9(34)確定配比試驗(yàn)方案:試驗(yàn)方案 因素試驗(yàn)號(hào)ABCD1234567891()112()223()331()2()3()1231231()2()3()2313121()2()3()312231以1號(hào)條件為例,表中四個(gè)數(shù)值的組成比為:A:B:C:D=:::配比方案中,要求各行四個(gè)比值之和為1。第六章: 回歸分析66 解:(1)作線性回歸分析結(jié)果如下:由分析結(jié)果得回歸方程為:,每項(xiàng)都是顯著的,方程也是顯著的。故所求方程為:69 解:分析結(jié)果如下:Dependent Variable: y Stepwise Selection: Step 1 Variable t9 Entered: RSquare = and C(p) = Analysis of Variance Sum of Mean Source DF Squares Square F Value Pr F Model 1 Error 14 Corrected Total 15 Parameter Standard Variable Estimate Error Type II SS F Value Pr F Intercept .0001 t9 Bounds on condition number: 1, 1 Stepwise Selection: Step 2 Variable t13 Entered: RSquare = and C(p) = Analysis of Variance Sum of Mean Source DF Squares Square F Value Pr F Model 2 Error 13 Corrected Total 15 Parameter Standard Variable Estimate Error Type II SS F Value Pr F Intercept .0001 t9 t13 Stepwise Selection: Step 3 Variable t5 Entered: RSquare = and C(p) = Analysis of Variance