网络营销者要熟悉传统的营销技巧,不需要掌握相应的计算机和网络技术知识,以一系列新的促销方法和手段,促进交易双方撮合。

A. 对
B. 错

虽然传统的促销和网络促销都是让消费者认识产品,引导消费者的注意和兴趣,激发他们的购买欲望,并最终实现其购买行为,但网络促销在时间和空间观念上,在信息传播模式上以及在顾客参与程度上与传统的促销活动相比都发生了较大的变化。

A. 对
B. 错

消费者的购买过程是一个复杂的、多阶段的过程,促销内容应当根据购买者目前所处的购买决策过程的不同阶段和产品所处的经济寿命周期的不同阶段来决定。

A. 对
B. 错

通过以下哪个方法加载数据库的驱动（）

A. driver
B. class.forName
C. connnection
D. close

原文:听音频口译 译文:__________(请用阿拉伯数字写出答案）

原文:听音频口译 译文:__________（请用阿拉伯数字写成答案）

Data were collected on annual personal time (in hours) taken by a random sample of 16women and 7 men employed by a medium-sized company. The Human Resources Department believes that women tend to take morepersonal time than men because they tend to be the primary child care givers in thefamily.1. The correct null and alternative hypotheses (assuming women are group 1 and men are group 2) are

A. H 0: µ 1 - µ 2 =0 and H A: µ 1 - µ 2 < 0
B. H 0: µ 1 - µ 2 = 0 and H A: µ 1 - µ 2 ≠ 0
C. H 0: µ 1 - µ 2 = 0 and H A: µ 1 - µ 2 > 0.
D. H 0: µ 1 - µ 2 > 0 and H A: µ 1 - µ 2 < 0

Which is correct in the above case?

A. women and men are dependent samples.
B. women and men are independent samples.
C. women and men are matched samples.
D. the observations are paired.

The correct value of the test statistic is

A. 2.02
B. - 2.91
C. 0.458
D. 4.02

At α =0 .05, which is correct?

A. we reject the null hypothesis.
B. we fail to reject the null hypothesis.
C. we can conclude that women take a higher average number of hours of personal timeper year compared to men.
D. Both A and C.