一家电器销售公司的管理人员认为，每月的销售额是广告费用的函数，并想通过广告费用对月销售额作出估计。用电视广告费用作自变量，销售额作因变量进行回归分析。下表给出了相关的分析结果：
下列说法正确的是（）
A.广告费用每增加$1，000， 销售额增加$1.420 211
B.广告费用每增加$1，000， 销售额增加$1420. 211
C.广告费用每增加$1420.211， 销售额增加$1000
D.广告费用每增加$1， 销售额增加$363.689 1
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某汽车生产商想要了解广告费用 (X) 对销售量 (Y) 的影响，收集了过去12年的有关数据。通过计算得到下面的ANOVA表，其中显著水平α=0.05。
方差分析表中虚线所代表的数据分别为（）
A.4015.807和399.1
B.4015.807和0.0025
C.0.9755和399.1
D.0.0244和0.0025
A.1065
B.1066
C.1067
D.1068
A.Z<-1.96
B.Z>1.96
C.Z>1.65
D.Z<-1.65
A.7~13
B.8~12
C.9~11
D.9.5~10.5
A.右侧检验
B.左侧检验
C.双侧检验
D.上侧检验
A.概率
B.事件
C.实验
D.样本空间
A.中位数检验是一种两独立样本的非参数检验方法
B.中位数检验是一种多独立样本的非参数检验方法
C.中位数检验使用的统计量是卡方统计量
D.中位数检验中要求各组样本中的个案相同
E.中位数检验中要计算各变量值的秩
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