Question

Identify which of these types of sampling is used: Convenience, Random (SRS), Systematic, Stratified, or Cluster sampling.

A Los Angeles Times reporter gets a reaction to a breaking story by poling people as they pass the front of the Times building.

The Orange County Commissioner of Jurors obtains a list of 55,014 car owners and constructs a poll of jurors by selecting every 50th name on the list.

In a Harris poll of 1,011 adults, the interview subjects were selected by using a computer to randomly generate telephone numbers that were then called.

A Ford Motor Company researcher has partitioned all registered cars into categories of compact, mid-size, and family-size. He is surveying 75 car owners from each category.

Motivated by a student who died from binge drinking, Chico State conducts a study of student drinking by randomly selecting 10 different classes and interviewing all of the students in each of those classes.

A statistics student obtains height/weight data by interviewing the members of his fraternity.

A UCLA researcher surveys all cardiac patients in each of 30 randomly selected hospitals.

Answer 1

1. A Los Angeles Times reporter gets a reaction to a breaking story by poling people as they pass the front of the Times building.---- Convenience Sampling

2. The Orange County Commissioner of Jurors obtains a list of 55,014 car owners and constructs a poll of jurors by selecting every 50th name on the list----Systematic Sampling

3. In a Harris poll of 1,011 adults, the interview subjects were selected by using a computer to randomly generate telephone numbers that were then called----Random Sampling

4. A Ford Motor Company researcher has partitioned all registered cars into categories of compact, mid-size, and family-size. He is surveying 75 car owners from each category----Systematic Sampling

5. Motivated by a student who died from binge drinking, Chico State conducts a study of student drinking by randomly selecting 10 different classes and interviewing all of the students in each of those classes---- Cluster sampling

6. A statistics student obtains height/weight data by interviewing the members of his fraternity---- Convenience Sampling

7. A UCLA researcher surveys all cardiac patients in each of 30 randomly selected hospitals----Systematic Sampling