1. Provide an example where stratified sampling is preferred and an example where cluster sampling would be best. Make sure to explain the key differences between the two.

2. To assess the opinion of students at The Ohio State University about campus safety, a reporter for the student newspaper stands in front of the student union building and tries to interview every 30 students who walk in the door. She interviews only 15 students who are willing to give their opinion within a five-hour period. Describe the sampling method being used and the types of sampling biases.

3. A city planner is interested in resident's opinions on safety and equality within the different neighborhoods in the city. He plans to mail surveys to 20 randomly selected households within each neighborhood. After analyzing the surveys, the researcher realizes that most respondents corresponded to only 10 of the overall neighborhoods. Describe the sampling method being used and the type of sampling biases.

4. An administrator for a software company wants to study its employees' thoughts on new inclusivity and gender equality hiring policies in the company. The company employs 1000 individuals who work in one of three office buildings the company owns.

a. Describe an example of a simple random sample the organization might collect.

b. Describe an example of a stratified sample the organization might collect.

c. Describe an example of a cluster sample the organization might collect.

d. Describe an example of a multistage sample the organization might collect.