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Author Question: In a multiple regression problem involving two independent variables X1 and X2, what does it mean if ... (Read 77 times)

xroflmao

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on: Jun 24, 2018
In a multiple regression problem involving two independent variables X1 and X2, what does it mean if b2 is computed to be -1.5?
 
  A) The relationship between X2 and Y is significant.
  B) The estimated value of Y decreases by an average of 1.5 units for each unit increase of X1, holding X2 constant.
  C) The estimated value of Y decreases by an average of 1.5 units for each unit increase of X2, holding X1 constant.
  D) The estimated average value of Y is -1.5 units when X1 = X2 = 0.

Question 2

The expected value of the sum of two random variables is the sum of their expected values.
 
  Indicate whether the statement is true or false


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bhavsar

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

C

Answer to Question 2

TRUE


xroflmao

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

Dominic

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Reply 3 on: Yesterday
Excellent

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