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Author Question: The Dean of Students from a large university mailed a survey to 500 students selected at random. The ... (Read 387 times)

maegan_martin

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on: Jun 24, 2018
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.


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xMRAZ

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Reply #1 on: Jun 24, 2018
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


maegan_martin

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Reply #2 on: Jun 24, 2018
Thank you :)


xMRAZ

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Reply #3 on: Jun 24, 2018
Happy to help you


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