Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
PROC SURVEYSELECT provides a variety of methods for selecting probability-based random samples. With probability sampling, each unit in the survey population has a known, positive probablity of ...
Consider the example in the section "Stratified Sampling". The study population is a junior high school with a total of 4,000 students in grades 7, 8, and 9. Researchers want to know how much these ...
For the estimation of the population total of a character y, defined over a finite population of known size, "optimum" sampling strategies for the case when auxiliary information H of a type commonly ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback