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Author Question: What distribution does the test statistic have for testing whether or not the reduced model is ... (Read 65 times)

TVarnum

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  • Posts: 548
on: Jun 24, 2018

  What distribution does the test statistic have for testing whether or not the reduced model is correct using H0: versus Ha: at least one among is not 0?
 

  a.F distribution with dfnumerator = k - l, dfdenominator = n - (k + 1)
  b.chi-squared distribution
  c.t distribution with df = n - (k + 1)
  d.t distribution with df = n - 2

Question 2


  Using the Minitab output below, what is a 90 confidence interval for in the multiple regression model shown when n = 81?
 
 

  a.(3178, 8810)
  b.(4.40, 6.18)
  c.(-63,878, -35,506)
  d.(2370, 9618)


vickybb89

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  • Posts: 347
Reply #1 on: Jun 24, 2018
Answer to Question 1

correct: a

Answer to Question 2

correct: d


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