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Author Question: For the multiple regression model y = 3 - 4x1 + 5x2 + 2x3 . a unit increase in x1, holding x2 and x3 ... (Read 48 times)

pepyto

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on: Jun 24, 2018
For the multiple regression model y = 3 - 4x1 + 5x2 + 2x3 . a unit increase in x1, holding x2 and x3 constant, results in:
 a. an increase of 4 units in the value of y.
  b. a decrease of 4 units in the value of y.
  c. a decrease of 4 units, on average, in the value of y.
  d. an increase of 6 units in the value of y.

Question 2

For the multiple regression model y = 50 + 25x1 - 10x2 + 8x3 . if x2 were to increase by 5, holding x1 and x3 constant, the value of y would:
 a. increase by 5.
  b. increase by 50.
  c. decrease on average by 5.
  d. decrease on average by 50.


vkodali

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

C

Answer to Question 2

D


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