on Residual 40 16499.060 8 2062.383 Total 34342.400 9 a Predictors: (Constant), 肾重 b Dependent Variable: 心重
CoefficientsaUnstandardizedCoefficientsBStd. Error-71.890134.5451.204.409StandardizedCoefficientsBeta.72195% Confidence Interval for BLower BoundUpper Bound-382.151238.372.2602.148Model1(Constant)肾重t-.5342.941Sig..608.019a. Dependent Variable: 心重 (1) 资料是否符合直线回归分析的条件?1.散点图2.双变量正态性
(2) 成年男子(尸检)肾脏重量与心脏重量之间关系是否有统计学意义?若有写出回归方程,并对回归系数作假设检验。