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Author Question: In conducting a personal interview, what problem can result if the interviewer is allowed to ... (Read 81 times)

future617RT

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on: Jun 24, 2018
In conducting a personal interview, what problem can result if the interviewer is allowed to arbitrarily decide who should be interviewed?
 
  A) Nonresponses
  B) Missing data
  C) Bias
  D) Poor response rate

Question 2

Test the null hypothesis of equality of population mean ratings for the three examination types. Use  = 0.05.
 
  What will be an ideal response?


ricroger

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Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

H0 : 1 = 2 = 3
H1 : i  j for at least one pair (i, j)
Since p-value = 0.0772, H0 is not rejected at  = 0.05. We conclude that there is insufficient evidence that the population mean ratings for the three examination types are not the same.


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