In market research, a sample that represents the entire population is called a ___. A. random sample B. representative sample C. convenience sample D. stratified sample 相关知识点: 试题来源: 解析 B。本题考查市场调研中的样本类型。选项 A“random sample”是随机样本;选项 B“representative sample...
A. the entire population B. a part of the population selected for study C. the data collected D. the method of data collection 相关知识点: 试题来源: 解析 B。本题考查“sample”在市场调研中的含义。选项 A 指的是全体人口,不符合“sample”的定义;选项 B 是从总体中选取的一部分用于研究,这正...
Sampling error is the difference between the correct population value and the sample estimate. Unfortunately, analysts never know the amount of sampling error precisely because they don’t know the parameter’s value. But statistical methods can estimate it. It might be shocking to learn, butSampl...
Cat has a master's degree in education and is currently working on her Ph.D. Population and samples are important elements of collecting and analyzing data. Remember, a population is all members of a specified group. This could be all members of an institutio...
In the methodology section of your dissertation you will be required to provide details about both the population and sample of your study. These sections are a common stumbling block for many students, as students often fail to properly distinguish between the two. So, what exactly is the ...
Population and sample. 来自 NCBI 喜欢 0 阅读量: 296 作者:Kazerooni,A Ella 摘要: The design of clinical research begins with the formulation of a research question. As radiologists, we ask many questions about the diagnostic imaging tests we perform and interpret, particularly as new tests are ...
A good sample size really depends on the context and goals of the research. In general, a good sample size is one that accurately represents the population and allows for reliable statistical analysis. Larger sample sizes are typically better because they reduce the likelihood of sampling errors ...
aPopulation in this research consisted of all USA firms during period of 1971 to 2003 in which following previous studies, financing and welfare firms were excluded from the sample. 跟随的早先研究、财务和福利救济企业从样品被排除的人口在这研究包括了所有美国企业在1971年的期间到2003年。[translate]...
The author presents data to support a logical scheme for research in plant nematology. He also develops logistics for use in aspects of plant nematology concerned with nematode population, reproduction and dispersal. J.E.P. M Oostenbrink 被引量: 619发表: 1966年 Interpreting the concordance statist...
aPopulation in this research consisted of all firms that had been listed in Tehran Exchange Stock and been active during period of 2006 to 2011. Screening method (elimination method) had been used in order to select a sample which would act as a proper representative of the population. For ...