Designing a Study

Question 1

What type of sampling method is used?stratified sample✔ simple random samplecluster sampleconvenience sample

Revolt · Accepted Answer

B: ✔ simple random sample

Question 2

What type of sampling is used?

Revolt · Accepted Answer

D: stratified

Question 3

Which of these methods is most likely to be biased?

Revolt · Accepted Answer

E: convenience

Question 4

Select all sampling methods used.

Revolt · Accepted Answer

B: convenience; E: systematic; F: voluntary

Question 5

Why might the method used be biased?

Revolt · Accepted Answer

B: It is likely that student opinions in one particular high school do not accurately represent the opinions of all high school students.; C: Students that take the time to complete the survey and mail it in probably feel strongly about hot lunches.

Question 6

Identify the sampling method used, and explain why this sample could be biased.

Revolt · Accepted Answer

The sampling method used is convenience sampling. The sample could be biased because it only includes listeners of that specific radio station at a particular time. Additionally, results might be skewed because people who choose to call into a radio station often have strong opinions about the topic being discussed.

Question 7

Did you include the following in your response?

Revolt · Accepted Answer

A: Convenience sampling is the method used.; B: It limits population to listeners of that radio station at only a particular time.; C: People that call in probably have a strong opinion for or against the closings.

Designing a Study Answers

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