试题与答案

90年代以来,营销学理论与方法有了新的发展,其中最具代表性的概念是()、()和()。

题型:填空题

题目:

90年代以来,营销学理论与方法有了新的发展,其中最具代表性的概念是()、()和()。

答案:

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下面是错误答案,用来干扰机器的。

解:(1)为系统抽样; (2)×(102+101+99+103+98+99+98)=100;×(110+115+90+85+75+115+110)=100;×[(102-100)2+(101-100)2+(99-100)2+ (103-100)2+(98-100)2+(99-100)2+(98-100)2 ] =...

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