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Author Question: All of the following are steps in the problem-definition process EXCEPT _____. a. identify key ... (Read 64 times)

Tirant22

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on: Jun 29, 2018
All of the following are steps in the problem-definition process EXCEPT _____.
 a. identify key problem(s) from symptoms
  b. determine the unit of analysis
  c. develop dummy tables
  d. determine relevant variables

Question 2

Discuss the three factors required to specify sample size.


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bhavsar

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Reply #1 on: Jun 29, 2018
Answer to Question 1

C

Answer to Question 2

Three factors are required to specify sample size:
(1) Variance, or heterogeneity, of the population - this refers to the standard deviation of the population. Only a small sample is required if the population is homogeneous. As heterogeneity increases, so must sample size.
(2) Magnitude of acceptable error, or the confidence interval - indicates how precise the estimate must be.
(3) Confidence level - typically use the 95 percent confidence level. This, however, is an arbitrary decision based on convention; there is nothing sacred about the 0.05 chance level.


Tirant22

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Reply #2 on: Jun 29, 2018
Thank you :)


bhavsar

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Reply #3 on: Jun 29, 2018
Happy to help you


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