Chapter 8

The types of probability sampling are:

•  

  Simple random

• Stratified

• Systematic

• All of the above

Which of these is a nonprobability sampling method?

• Systematic sampling

• Simple random sampling

• Purposive sampling

• cluster sampling

Margin of error and confidence interval are independent. One could select, for instance, a 90% confidence interval and a 3% margin of error.

• True

• False

Dividing the population of a town into households and then taking a sample of household and obtaining information from ALL the members of the household would be considered which type of sampling?

• Two-stage cluster sampling

• Single-stage cluster sampling

• Quota sampling

• Multistage cluster sampling

If you go to the Visitors Center and interview the first 10 people you meet there, what type of sampling design are you using?

• Convenience sampling

• Probability sampling

• Quota sampling

• Purposive sampling

In a simple random sampling design, every respondent has an equal chance of being chosen.

• True

• False

A stratified sample should produce a sample that is a good fit or representation of the actual population.

• True

• False

Joe stands on a busy city street corner and asks every other person who

walks past him to participate in a survey he is conducting. Is this what is

meant by a simple random survey?

• Yes

• No

Sample size is more important to probability surveys that to

nonprobability surveys.

• Ture

• False