This topic contains a solution. Click here to go to the answer

Author Question: The Dean of Students from a large university mailed a survey to 500 students selected at random. The ... (Read 365 times)

maegan_martin

  • Hero Member
  • *****
  • Posts: 532
The Dean of Students from a large university mailed a survey to 500 students selected at random. The sample was designed to include 125 students randomly selected from each of the freshman, sophomore, junior, and senior classes on campus. What sampling method was used?
 A. Simple random sample
  B. Systematic sample
  C. Stratified random sample
  D. Cluster sample

Question 2

Which of the following is an example of a nonsampling error?
 A. Some incorrect responses are recorded.
  B. Responses are not obtained from all members of the sample.
  C. Some members of the target population cannot possibly be selected for the sample.
  D. All of these choices are true.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xMRAZ

  • Sr. Member
  • ****
  • Posts: 363
Answer to Question 1

Analysis:
A. Incorrect. Stratified random sample was the sampling method used.
B. Incorrect. Stratified random sample was the sampling method used.
C. Correct. Stratified random sample was the sampling method used.
D. Incorrect. Stratified random sample was the sampling method used.
ANSWER : C

Answer to Question 2

Analysis:
A. Incorrect. All of these choices are true.
B. Incorrect. All of these choices are true.
C. Incorrect. All of these choices are true.
D. Correct. All of these choices are true.
ANSWER : D





 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

For a complete list of videos, visit our video library