Sample size determination methods are considered for hypothesis testing about location parameters of two continuous distributions using independent random samples and the Mann-Whitney-Wilcoxon (MWW) ...

Power analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required sample size for ...

Yan Zhuang specializes in the areas of sequential analysis, sampling strategies, sample size determination, and statistical inference. She also enjoys working with people from other disciplines to ...

Determination of sample size is one of the critical decisions in forming a customer survey. Though you can find numerable statistical guides, and sample size calculators available, many people find ...