Author Question: Suppose the ordinary least-squares approach to a regression analysis produced the following: Y = 20 ... (Read 62 times)

Kthamas · **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