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

This type of sampling is a multistage method in which groups are randomly sampled and then a random sample of elements is taken from the sampled groups.This type of random sampling is called___________.

Any statistical characteristic of an entire population is a___________.

Snowball sampling is the same as network sampling.

What is a target population?

Random sampling

What are two critical features of true random processes?

Give an example of a hidden population.

Which of the following might be an appropriate sample frame for a population aged 16 -18?

Sampling error assumes random sampling and is influenced by sample size and the diversity of cases in the sample.

What are the three steps in quota sampling?

If a researcher walks into a bus station and starts interviewing people at random for his research is most likely using

Differentiate the meanings of the terms universe,population and target population.

Random sampling guarantees that every random sample a researcher picks perfectly represents the population.

The size of a sample is more important than its frame.

A quasi-random sampling method when a computer is not available is___________.

What is a sampling frame,and give an example?

What is the difference between haphazard and random in regard to sampling?

Define convenience sampling.

Mr.Marsh is using Systemic Sampling and his sample frame has 2000 names from a directory.If he is sampling 400,what is his sample interval?

In all random samples the researcher starts by