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Author Question: What is an unbiased estimate of E (Y X = 5) if the simple linear regression model has an ... (Read 158 times)

olgavictoria

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on: Jun 24, 2018

  What is an unbiased estimate of E (Y X = 5) if the simple linear regression model has an estimated regression line of = 10 - 1.8x?
 

  a.5
  b.19
  c.1
  d.There is not enough information given to determine the estimate of E (Y  X = 5)

Question 2


  Which of the following explains in words the null hypothesis in a test of H0: versurs Ha: ?
 

  a.H0: is a statement that the two variables are not related in any way.
  b.H0: is a statement that the two variables are related.
  c.H0: is a statement that the two variables are not linearly related.
  d.H0: is a statement that the two variables form a perfect straight line.


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aadams68

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

correct: c

Answer to Question 2

correct: c


olgavictoria

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

xiazhe

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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