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Diploma in Management Studies (DMSQF)
Term 2232 (Jul –Sep 2022)
BUS2113
Operations Management (OM)
Continuous Assessment 1
(Individual Assignment) – 30%
Read the instructions in your course documents, in your Course Outline, CA outline and
your Canvas portal carefully. You will be penalised with marks deduction if the instructions
are not strictly followed. If you have queries read the Canvas FAQ and then email queries
to he10@sim.edu.sg.
Students are to upload their assignment by the due date to through their Canvas account.
After the due date, students’ submissions will not be entertained.
Students should a keep a copy of assignment submitted. All workings must be shown. The
submitted report must show evidence that this is students’ own work.
Google offers Google Docs as a free online editor with a tool for entering Mathematic
symbols. Your completed document can be downloaded and saved as a word document.
Write your FULL Name AND your IC/Passport number as in the register on the answer
script.
Please be reminded that plagiarism and collusion is a serious offence, and all cases will be
referred to the administration. Grades will be withheld if the submission is suspected for
plagiarism or collusion till investigations are completed.
Deadline: 22nd Jul 2022, 11.59am
Penalty Marks for Late Submission of Assignment
•
Within 24 hours: 20% to be deducted from total marks
•
More than 24 hours: submission will be graded zero mark
CA Submission
CAs must be submitted online via Canvas. Please read through instructions in your CA
outline and Canvas carefully before submitting. If you have further queries, please read the
FAQ. If after you have read the FAQ, you need assistance on Canvas submission, please
email to SIMGE Canvas’s team email (lmssupport@sim.edu.sg) and contact (6248 0073).
For non-Canvas issues please email he10@sim.edu.sg. Please email with your mymail
accounts. Email from other addresses will not be entertained. If issues raised are covered,
you will be directed to read through instructions in the CA outline, Canvas and the FAQ.
Please take time read through before raising issues.
Page 1 of 3
Answer the following FOUR (4) questions:
Question 1
You are to conduct online research and discuss TWO (2) latest trends in Operations
Management arising in the 21st century. [200  10% words]
[You are encouraged to seek help or clarification from your instructor on this question.]
(20 marks)
Question 2
Company XYZ has recorded the sales for the last seven (7) periods:
Period
1
2
3
4
5
6
7
Actual Sales (units)
102
96
90
110
115
105
123
Sub-questions
(a) Compute the MAD using the Naïve approach for periods 4 to 7.
Marks
allocation
9 marks
(b) Compute the MAD using the 3-periods moving average method for
periods 4 to 7.
9 marks
(c) Compute the MAD using the exponential smoothing method with a
smoothing constant of 0.3 for periods 4 to 7. Assume the forecast for
period 1 is 100 units.
9 marks
(d) Comment on the results obtained in parts (a), (b) and (c). Identify the
most accurate method and use it to forecast the demand for period 8.
3 marks
Sub-total
30 marks
Note: Keep the above workings and answers to ONE (1) decimal place.
Page 2 of 3
Question 3
Identify a product of your choice and discuss how the computer aided design (CAD) is
used in its product design and development stage. Use relevant diagram(s) or picture(s) to
illustrate your discussion. [150 words  10%]
(15 marks)
Question 4
Identify a product or a service of your choice. Construct a flow chart to illustrate the
production or service processes of the chosen product/service. The flow chart should be
professionally drawn using software such as MS Powerpoint, Excel or others. It should
consist of 8 to 15 steps* (stages) using key words.
*Check with your instructor if you are not sure.
(20 marks)
A maximum 15 marks will be awarded for the following THREE (3) areas:
Criteria
1) Good organisation and presentation of the report:
• Have a proper cover page.
• Use heading for each question.
• Suitable use of diagrams, pictures or photographs for illustrations.
• Submit ONE (1) report in MS Word format.
Marks
5 marks
2) Proper use of academic referencing:
• Use the APA style.
• The number of references provided.
5 marks
3) Proper use of British English:
• Spelling, grammar & punctuations.
• Use of consistent font type, font size, line spacing etc.
5 marks
~ End ~
Page 3 of 3
Forecasting
Num pds
Data
Period
Period 1
Period 2
Period 3
Period 4
Period 5
Period 6
Period 7
Moving averages – 1 period moving average
1
Forecasts and Error Analysis
Forecast Error
Absolute Squared
Demand
102
96
90
110
115
105
123
102
96
90
110
115
105
-6
-6
20
5
-10
18
618
103
Total
Average
Bias
Next period
123
Abs Pct Err
6
36
06.25%
6
36
06.67%
20
400
18.18%
5
25
04.35%
10
100
09.52%
18
324
14.63%
21
65
921
3.5 10.83333
153.5
MAD
MSE
MAPE
SE
4.031129
Forecasting
140
120
8.25
Value
100
80
60
40
20
0
1
2
3
4
5
Time
Demand
Forecast
6
7
Forecasting
Num pds
Data
Period
Period 1
Period 2
Period 3
Period 4
Period 5
Period 6
Period 7
Moving averages – 3 period moving average
3
Forecasts and Error Analysis
Forecast Error
Absolute Squared
Demand
102
96
90
110
115
105
123
Abs Pct Err
96
14
14
196
12.73%
98.66667 16.33333 16.33333 266.7778
14.20%
105
0
0
0
00.00%
110
13
13
169
10.57%
Total
43.33333 43.33333 631.7778
37.50%
Average
10.83333 10.83333 157.9444
09.37%
Bias
MAD
MSE
MAPE
SE
17.77326
140
120
Next period 114.333333
Value
100
80
60
40
20
0
1
Forecasting
140
120
100
80
60
40
20
0
1
2
3
4
5
Time
Demand
Forecast
6
7
Forecasting
Alpha
Data
Period
Period 1
Period 2
Period 3
Period 4
Period 5
Period 6
Period 7
Exponential smoothing
0.3
Demand
102
96
90
110
115
105
123
Next period 110.332605
Forecasts and Error Analysis
Forecast Error
Absolute Squared Abs Pct Err
100
2
2
4
01.96%
100.6
-4.6
4.6
21.16
04.79%
99.22
-9.22
9.22 85.0084
10.24%
96.454
13.546
13.546 183.4941
12.31%
100.5178 14.4822 14.4822 209.7341
12.59%
104.8625 0.13754 0.13754 0.018917
00.13%
104.9037 18.09628 18.09628 327.4753 0.1471242
Total 34.44202 62.08202 830.8908
56.75%
Average 4.920288 8.86886 118.6987
08.11%
Bias
MAD
MSE
MAPE
SE 12.89101
Forecasting
140
120
Value
100
80
60
40
20
0
1
2
3
4
5
Time
Demand
Forecast
6
7

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