Author Question: A researcher is studying the population of all college students at a local university. An ... (Read 96 times)

aabwk4

  • Hero Member
  • *****
  • Posts: 593
A researcher is studying the population of all college students at a local university. An alphabetical listing of all college students is obtained. Of the first 25 students in this listing, one will be selected at random. Then starting with that selected student, every 25th student in the listing thereafter will be selected.
  A survey will be sent to all
  selected students. The students
  were selected using a sampling
  technique called _____.
  1.systematic sampling
  2.cluster sampling
  3.stratified sampling
  4.simple random sampling

Question 2

To examine the study habits of college students at a local community college a sample of students was needed to complete a questionnaire. Which of the following will most likely result in an unbiased sample?
  1.Using the student directory of on-campus housing as the sampling frame and randomly selecting 20 students from the list
  2.Posting a sign for student volunteers in the campus center
  3.Asking the first 20 students who enter the library Saturday morning
  4.Using the list of enrolled students, obtained from the registrar, as the sampling frame and randomly selecting 20 students from the list



hollysheppard095

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

1

Answer to Question 2

4



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

For a complete list of videos, visit our video library