What is the difference between a population and a sample? What are the reasons why a sampling process is so often used in place of a census? Why is it that a population can sometimes be as accurate as, or more accurate than, a census?
Answer to relevant QuestionsDefine sample, sampling unit, sampling frame and population. When would a researcher use a judgment, or purposive, sample? This activity would make a good in-class assignment. Assign each student a random number. Then, randomly select eight students and ask each a small number of survey questions such as (feel free to add a few of your own): a) ...What is a p-value and how is it used? Selected territories in a company’s eastern and western regions were rated for sales potential based on the company’s evaluation system. A sales manager wishes to conduct a t-test of means to determine whether there is a ...
Post your question