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Author Question: Both a and b are correct.Which of the following is needed before a confidence interval can be ... (Read 79 times)

rayancarla1

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on: Jun 28, 2018
Both a and b are correct.Which of the following is needed before a confidence interval can be established for a population mean?
 a. A confidence level
  b. A point estimate of the population mean
  c. An estimate of the sampling error associated with the sample mean
  d. All of these are correct.
  e. Both a and b are correct.

Question 2

Existing social networks are:
 a. exclusively for consumers.
  b. used by both consumers and business people.
  c. experiencing slowing growth.
  d. used mostly by nonmobile users.


mcabuhat

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Reply #1 on: Jun 28, 2018
Answer to Question 1

d

Answer to Question 2

b


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rayancarla1

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Reply #2 on: Jun 28, 2018
Thank you


mcabuhat

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Reply #3 on: Jun 28, 2018
No problemo


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