摘要
通过案例运用统计学技术分析影响市场调研中样本容量的主要因素,探索随机抽样样本容量的测度方法,以提高市场调研的精确度和可靠性,降低市场调研成本.
This article presents some problems that should be paid attention to in the calculation and design of quantities insample investigation to obtain satisfied results in the practice of telecommunications market.
出处
《山西大同大学学报（自然科学版）》
2009年第3期7-8,16,共3页
Journal of Shanxi Datong University(Natural Science Edition)
关键词
市场调查
样本容量
置信水平
market research
sample capacity
confidence level
