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BUAD 310 Homework 3
(Total 100 points)
Due Wednesday, October 27, 2010 in class
The homework assignment has two parts. Section A consists of problems from the textbook. Section B
consists of additional problems. Please ensure that your answers are neat and legible.
Part A:
textbook problems (5 problems)
1.
[16 pts]
p. 124-125
#2 and #4
2.
[9 pts] p. 126
#14, #18, and #20 [Explain why it is true or false]
3.
[9 pts] p. 126
#22 [Only parts (a), (c), and (e)]
4.
[9 pts] p. 482
#12, #14, and #16
5.
[12 pts] p. 483
#36
Part B:
additional problems (2 problems)
6.
[35 pts] A sales manager was interested in determining if there is a relationship between college
GPA and sales performance among salespeople hired within the last year.
A sample of recently
hired salespeople was selected the number of units each sold last month recorded. Below are the
scatterplot, regression results and residual plots for these data.
The regression equation is

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