便利取样（convenience sampling）
便利取样（convenience sampling）
相关考题：
All of the following statements about acceptance sampling are true except:A . Acceptance sampling plans are beneficial when the cost of inspection is high and the resulting loss of passing nonconforming units is not great.B . Acceptance sampling plans are necessary when destructive inspections are required.C . Acceptance sampling plans are never effective at rejecting nonconforming units as 100 percent inspection, even when the inspection process is very tedious.D . Acceptance sampling plans do not directly control the quality of a series of lots; they instead specify the risk of accepting lots of given quality.E . Acceptance sampling plans are not very effective for inspecting small lots of custom-made products.
关于网络营销的便利策略，下列哪个说法不正确()。A.互联网直接把生产者和顾客连在一起，对企业的现有渠道结构形成了巨大挑战B.互联网商品直接展示在顾客面前，回答顾客疑问，接受顾客定单C.网络营销使顾客购买的方便性（Convenience to buy）大大提高D.便利策略是指企业营销从顾客导向的渠道策略转向企业主导的便利策略
Which two statements are true about analog to digital conversion of voice signals for use in digital telephony networks？（）A、The three required steps in the analog to digital conversion are sampling，encoding，and compression.B、The three required steps in the analog to digital conversion are sampling，quantization，and compression.C、The three required steps in the analog to digital conversion are sampling，quantization，and encoding.D、The output of the sampling process is a pulse code modulation （PCM） signal.E、The output of the sampling process is a pulse amplitude modulation （PAM） signal.
关于网络营销的便利策略，下列哪个说法不正确（）A、互联网直接把生产者和顾客连在一起，对企业的现有渠道结构形成了巨大挑战。B、网络营销使顾客购买的方便性（Convenience to buy）大大提高。C、便利策略是指企业营销从顾客导向的渠道策略转向企业主导的便利策略。D、互联网商品直接展示在顾客面前，回答顾客疑问，接受顾客定单。
What is the term that is used to describe the process of converting a signal from digital to analog？（）A、 packetizationB、 quantizationC、 decodingD、 sampling
市场营销理论中的4C组合，其要点是：消费者（Consumer）、成本（Cost）、便利（Convenience）以及（）.A、市场变动（ChangE.B、沟通（Communication）C、渠道的选择（Channel）D、经营环境（Condition）
多选题Which two statements are true about analog to digital conversion of voice signals for use in digital telephony networks？（）AThe three required steps in the analog to digital conversion are sampling，encoding，and compression.BThe three required steps in the analog to digital conversion are sampling，quantization，and compression.CThe three required steps in the analog to digital conversion are sampling，quantization，and encoding.DThe output of the sampling process is a pulse code modulation （PCM） signal.EThe output of the sampling process is a pulse amplitude modulation （PAM） signal.
单选题市场营销理论中的4C组合，其要点是：消费者（Consumer）、成本（Cost）、便利（Convenience）以及（）.A市场变动（ChangE.B沟通（Communication）C渠道的选择（Channel）D经营环境（Condition）
多选题既5P理论后，西方学者有提出新的4C营销理论，所谓的4C主要由以下内容组成：（）A顾客（Client）B成本（Cost）C便利（Convenience）D沟通（Communication）