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Author Question: Given a specific value of x and confidence level, which of the following statements is correct? a. ... (Read 83 times)

Zoey63294

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on: Jul 24, 2018
Given a specific value of x and confidence level, which of the following statements is correct?
 a. The confidence interval estimate of the expected value of y can be calculated but the prediction interval of y for the given value of x cannot be calculated.
  b. The confidence interval estimate of the expected value of y will be wider than the prediction interval.
  c. The prediction interval of y for the given value of x can be calculated but the confidence interval estimate of the expected value of y cannot be calculated.
  d. The confidence interval estimate of the expected value of y will be narrower than the prediction interval.
  e. None of these.

Question 2

In order to estimate with 95 confidence the expected value of y for a given value of x in a simple linear regression problem, a random sample of 10 observations is taken. Which of the following t-table values listed below would be used?
 a. 2.228
  b. 2.306
  c. 1.860
  d. 1.812
  e. 2.812


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kalskdjl1212

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

D

Answer to Question 2

B


Zoey63294

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Reply #2 on: Jul 24, 2018
Thanks


kalskdjl1212

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Reply #3 on: Jul 24, 2018
Welcome :)


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