Last Name ________________________ First Name ________________________ ID __________________________
Operations Management II 73-431 Summer 2002
Odette School of Business
University of Windsor
Final Exam Solution
Tuesday, August 16, 12:00 – 3:00 pm ED Gym Area 1-3
Instructor: Mohammed Fazle Baki
Aids Permitted: Calculator, straightedge, and 3 one-sided formula sheet.
Time available: 3 hours
Instructions:
• This exam has 26 pages including this cover page and 6 pages of table
• Please be sure to put your name and student ID number on each page.
• Show your work.
Marking Scheme:
Question Score Question Score
1 /15 2 /6
3 /4 4 /8
5 /8 6 /14
7 /4 8 /10
9 /5 10 /6
11 /3 12 /5
13 /5 14 /5
15 /2 Total /100
, Name:_________________________________________________ ID:_________________________
Question 1: (15 points)
1.1 For which of the following should we use an X control chart to monitor process quality?
a. Windshield cracked or not
b. Flash lights work or not
c. Number of flaws in a paint job
d. Weight errors in cans of soup
e. All of the above
f. None of the above
1.2 For which of the following should we use an R control chart to monitor process quality?
a. The volume of scrap parts
b. Lengths of boards cut in a mil
c. The ounce of beer poured in a can
d. Errors in the length of pencils produced
e. All of the above
f. None of the above
1.3 You want to develop a three-sigma X control chart with subgroup size 4. You know that the standard
deviation of the sample means is 4 and the average of the sample means is 24. Which of the
following is the resulting UCL
a. 40
b. 36
c. 30
d. 24
e. 12
f. 4
1.4 Consider the problem of economic design of X control chart. If k is increased keeping n unchanged
a. Searching cost increases
b. Searching cost decreases
c. Cost of operating in out-of-control state increases
d. Cost of operating in out-of-control state decreases
e. a and d
f. b and c
1.5 Which of the following is sampling cost?
a. Personnel cost for scrap or repair
b. Personnel cost for the fixing the problem
c. Cost of item
d. Cost of warranty claims
e. All of the above
f. None of the above
2
Operations Management II 73-431 Summer 2002
Odette School of Business
University of Windsor
Final Exam Solution
Tuesday, August 16, 12:00 – 3:00 pm ED Gym Area 1-3
Instructor: Mohammed Fazle Baki
Aids Permitted: Calculator, straightedge, and 3 one-sided formula sheet.
Time available: 3 hours
Instructions:
• This exam has 26 pages including this cover page and 6 pages of table
• Please be sure to put your name and student ID number on each page.
• Show your work.
Marking Scheme:
Question Score Question Score
1 /15 2 /6
3 /4 4 /8
5 /8 6 /14
7 /4 8 /10
9 /5 10 /6
11 /3 12 /5
13 /5 14 /5
15 /2 Total /100
, Name:_________________________________________________ ID:_________________________
Question 1: (15 points)
1.1 For which of the following should we use an X control chart to monitor process quality?
a. Windshield cracked or not
b. Flash lights work or not
c. Number of flaws in a paint job
d. Weight errors in cans of soup
e. All of the above
f. None of the above
1.2 For which of the following should we use an R control chart to monitor process quality?
a. The volume of scrap parts
b. Lengths of boards cut in a mil
c. The ounce of beer poured in a can
d. Errors in the length of pencils produced
e. All of the above
f. None of the above
1.3 You want to develop a three-sigma X control chart with subgroup size 4. You know that the standard
deviation of the sample means is 4 and the average of the sample means is 24. Which of the
following is the resulting UCL
a. 40
b. 36
c. 30
d. 24
e. 12
f. 4
1.4 Consider the problem of economic design of X control chart. If k is increased keeping n unchanged
a. Searching cost increases
b. Searching cost decreases
c. Cost of operating in out-of-control state increases
d. Cost of operating in out-of-control state decreases
e. a and d
f. b and c
1.5 Which of the following is sampling cost?
a. Personnel cost for scrap or repair
b. Personnel cost for the fixing the problem
c. Cost of item
d. Cost of warranty claims
e. All of the above
f. None of the above
2
