Exam 4: Sampling, How to Select a Few to Represent the Many

Discuss confidence interval.What does it mean statistically?

This type of sampling is easy,cheap and fast,but its biggest problem is that it can produce very unrepresentative samples and lacks depth.___________is a nonsystematic selection method that often produces samples very unlike the population.

Name four nonprobability sampling techniques.

Which type of sampling is most applicable for capturing an existing network?

Mr.Marsh uses a list of all baseball season ticket holders for his sampling elements.This is called his