HOMEWORK ASSIGNMENT #2
Please submit an Excel file which shows your regression outputs and a Word file that shows your
answers for each question. Partial credit will be given where earned so show all your work.
1. [100 points in total]
Suppose the Ohio Br
Test the hypothesis ( = 0.05) that the population proportions of red and brown are equal (pred =
pbrown). You are testing if their proportions are equal to one another, NOT if they are equal to one
another AND equal to 13%. NOTE: These are NOT independent
P15-2 Cost of giving up cash discounts Determine the cost of giving up cash discounts
under each of the following terms of sale. (Note: Assume a 365-day year.)
Short Hand
a. 2/10 net 30
b. 1/10 net 30
c. 2/10 net 45
d. 3/10 net 45
e. 1/10 net 60
f. 3/10 n
19. Rather than specifying sampling or nonsampling errors and focusing on increasing or
decreasing sample size, researchers should be most concerned about
A. too many refusals.
B. office errors.
C. coding procedures.
D. total errors.
20. Which statement b