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Author Question: Suppose the ordinary least-squares approach to a regression analysis produced the following: Y = 20 ... (Read 87 times)

Kthamas

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on: Jun 28, 2018
Suppose the ordinary least-squares approach to a regression analysis produced the following: Y = 20 - 39X and R2 = .90 . Which of the following statements is FALSE?
 a. For every unit change in X there is a corresponding negative change in the average value of Y of 39 units.
  b. 90 of the variation in Y is associated with variation in X.
  c. The slope of the line is 20.
  d. The average value of Y given x = 10 is 370.
  e. If X = 0, then Y = 20.

Question 2

Most enterprises need to allocate more resources to customer retention, not to customer acquisition.
 a. True
  b. False
 Indicate whether the statement is true or false


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olderstudent

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Reply #1 on: Jun 28, 2018
Answer to Question 1

c

Answer to Question 2

True


Kthamas

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Reply 2 on: Jun 28, 2018
Gracias!

peter

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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