Your line manager, Ms Lionheart, has collected and scrutinised performance data for the company. She was concerned that the inventories were high for certain products which had resulted in significant price reductions and losses for the company. At the same time, the company had run out of stock for other items early in the season resulting in unsatisfied customers and lost sales. Ms Lionheart has concluded that the problem was not with the specific products carried in the stock, but with the quantities ordered by the procurement department for two popular products; Dog Ball Launcher and Lightweight Dog Lead. Dog Ball Launcher is a product carried by the company for the past four years. Quarterly demand data for the past four years are shown in table 1. Last year the company seemed to always be out of stock for this item. The model used by the procurement department to forecast demand for this product over the last two years has been Multiplicative Seasonal model based on seasonal indices developed using data from 2018‐2019 with predicted annual demand increase of 6 units per year since 2019. Lightweight Dog Lead is a new product that the company has been selling for the past two years. When the product was introduced in 2020, it was expected to have a large increasing demand trend. The procurement team has been using Trend Projection with least‐squares method developed using data from 2020 to forecast the demand for this item. However, they now seem to have too much inventory for this product. Monthly demand data for the past two years for this item is shown in table 2. Ms Lionheart now wonders if right forecasting models were being applied to these two products. She wants you to analyse the available data and produce a short report (1,000 words ± 10%) with all relevant tables and figures, to address the highlighted issues.   In your report you need to consider the following for both sets of data: 1. Analyse and explain the data. 2. Is appropriate forecasting model being applied? Explain. 3. What forecasting model would you use? Explain why you selected your approach. 4. Generate the forecast for each period in 2020 and 2021 using the current model and the model you selected. Analyse the results. 5. Determine the forecast error for the current model and the model you selected. Explain your method and findings. 6. Provide three key recommendations for the company. q= quater 2018: q1: 10  q2: 29 q3: 26 q4: 15 2019: q1:14 q2:31 q3: 29 q:18 2020 q1: 20 q2: 26 q3: 28 q3: 30 2021 q1: 30 q2: 31 q3: 33 q4: 35

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
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Your line manager, Ms Lionheart, has collected and scrutinised performance data for the company. She was concerned that the inventories were high for certain products which had resulted in significant price reductions and losses for the company. At the same time, the company had run out of stock for other items early in the season resulting in unsatisfied customers and lost sales. Ms Lionheart has concluded that the problem was not with the specific products carried in the stock, but with the quantities ordered by the procurement department for two popular products; Dog Ball Launcher and Lightweight Dog Lead. Dog Ball Launcher is a product carried by the company for the past four years. Quarterly demand data for the past four years are shown in table 1. Last year the company seemed to always be out of stock for this item. The model used by the procurement department to forecast demand for this product over the last two years has been Multiplicative Seasonal model based on seasonal indices developed using data from 2018‐2019 with predicted annual demand increase of 6 units per year since 2019. Lightweight Dog Lead is a new product that the company has been selling for the past two years. When the product was introduced in 2020, it was expected to have a large increasing demand trend. The procurement team has been using Trend Projection with least‐squares method developed using data from 2020 to forecast the demand for this item. However, they now seem to have too much inventory for this product. Monthly demand data for the past two years for this item is shown in table 2. Ms Lionheart now wonders if right forecasting models were being applied to these two products. She wants you to analyse the available data and produce a short report (1,000 words ± 10%) with all relevant tables and figures, to address the highlighted issues.   In your report you need to consider the following for both sets of data: 1. Analyse and explain the data. 2. Is appropriate forecasting model being applied? Explain. 3. What forecasting model would you use? Explain why you selected your approach. 4. Generate the forecast for each period in 2020 and 2021 using the current model and the model you selected. Analyse the results. 5. Determine the forecast error for the current model and the model you selected. Explain your method and findings. 6. Provide three key recommendations for the company.

q= quater

2018: q1: 10  q2: 29 q3: 26 q4: 15

2019: q1:14 q2:31 q3: 29 q:18

2020 q1: 20 q2: 26 q3: 28 q3: 30

2021 q1: 30 q2: 31 q3: 33 q4: 35 

 

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606 words
Forecasting Report
References
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allu 2021 then we call suongly agree that this is not a stasunal product menee the use
of seasonal multiplicative method is not necessary. We have been given 4 years of
data which implies that we need to use a long-range forecast method.
Dictate
For table 2, the trend projection with least square method is not appropriate because it
states that it has too much inventory. We have only been given 2 years of data which
is not enough to use while using the trend projection with least-squares method.
Therefore, we would have to use a medium range forecast method.
3. For table 1, a method that would be good to accurately predict the forecast sales for
this would be trend projection with least-square method because it would create a
more reliable forecast which would consider the previous data and forecast the trend
the future sales will have. This method will be able to spot out anomalies that we have
in the data and ignore them when creating trend projection graphs.
!!!!
E
Editor
For table 2, we could use weighted moving average because we do not have more
than 2 years of day and therefore this method would ensure that the most recent data
has more weightage than previous one. It would also predict the trend direction.
However, once we have the actual demand for the third year, the forecast used will
have to be reassessed based on inventory and sales.
6. The company can use JIT (Just In Time) method to minimize the chances of
overstocking or understocking products. This will increase the chances of profits and
reduce the chances of
Comments
Ő
125%
My Stu
Course
TED Sugata Mitra: The...
= Microsoft Word...
Extenu
mdx.mrooms.net/pluginf...
Answe
Q3
Q4
All our free course...
2 / 4
past two years for this item is shown in table 2.
94%
Answe
W Gildan 18500 - He...
14
31
29
18
Table 1: Demand for Dog Ball Launcher 2018-2021
Quarter 2018 Demand 2019 Demand
Q1
10
Q2
29
26
15
+
b My Que
K.
Ms Lionheart now wonders if right forecasting models were being applied to these two
products. She wants you to analyse the available data and produce a short report (1,000
words ± 10%) with all relevant tables and figures, to address the highlighted issues.
2020 Demand
20
26
28
30
Table 2: Demand for Lightweight Dog Lead 2020-2021
Month
2020 Demand 2021 Demand
36
98
January
ES
In your report you need to consider the following for both sets of data:
1. Analyse and explain the data.
2. Is appropriate forecasting model being applied? Explain.
3. What forecasting model would you use? Explain why you selected your approach.
4. Generate the forecast for each period in 2020 and 2021 using the current model and
the model you selected. Analyse the results.
5. Determine the forecast error for the current model and the model you selected.
Explain your method and findings.
6. Provide three key recommendations for the company.
Mic X
M
Keyword Tool (FR...
Update :
2021 Demand
30
31
33
35
Page 2 of 4
MGT2221 & MGT2222 Operations Management; 2022-23
…….
Transcribed Image Text:AutoSave OFF Home Insert Draw Design Layout G Paste Page 2 of 3 Times New... ✓ B I 4. 5. CE U v ab 12 X v X 606 words Forecasting Report References A^ A Aa | Ą A 2✓ Av << Tell me V Paragraph Focus V Styles Share allu 2021 then we call suongly agree that this is not a stasunal product menee the use of seasonal multiplicative method is not necessary. We have been given 4 years of data which implies that we need to use a long-range forecast method. Dictate For table 2, the trend projection with least square method is not appropriate because it states that it has too much inventory. We have only been given 2 years of data which is not enough to use while using the trend projection with least-squares method. Therefore, we would have to use a medium range forecast method. 3. For table 1, a method that would be good to accurately predict the forecast sales for this would be trend projection with least-square method because it would create a more reliable forecast which would consider the previous data and forecast the trend the future sales will have. This method will be able to spot out anomalies that we have in the data and ignore them when creating trend projection graphs. !!!! E Editor For table 2, we could use weighted moving average because we do not have more than 2 years of day and therefore this method would ensure that the most recent data has more weightage than previous one. It would also predict the trend direction. However, once we have the actual demand for the third year, the forecast used will have to be reassessed based on inventory and sales. 6. The company can use JIT (Just In Time) method to minimize the chances of overstocking or understocking products. This will increase the chances of profits and reduce the chances of Comments Ő 125% My Stu Course TED Sugata Mitra: The... = Microsoft Word... Extenu mdx.mrooms.net/pluginf... Answe Q3 Q4 All our free course... 2 / 4 past two years for this item is shown in table 2. 94% Answe W Gildan 18500 - He... 14 31 29 18 Table 1: Demand for Dog Ball Launcher 2018-2021 Quarter 2018 Demand 2019 Demand Q1 10 Q2 29 26 15 + b My Que K. Ms Lionheart now wonders if right forecasting models were being applied to these two products. She wants you to analyse the available data and produce a short report (1,000 words ± 10%) with all relevant tables and figures, to address the highlighted issues. 2020 Demand 20 26 28 30 Table 2: Demand for Lightweight Dog Lead 2020-2021 Month 2020 Demand 2021 Demand 36 98 January ES In your report you need to consider the following for both sets of data: 1. Analyse and explain the data. 2. Is appropriate forecasting model being applied? Explain. 3. What forecasting model would you use? Explain why you selected your approach. 4. Generate the forecast for each period in 2020 and 2021 using the current model and the model you selected. Analyse the results. 5. Determine the forecast error for the current model and the model you selected. Explain your method and findings. 6. Provide three key recommendations for the company. Mic X M Keyword Tool (FR... Update : 2021 Demand 30 31 33 35 Page 2 of 4 MGT2221 & MGT2222 Operations Management; 2022-23 …….
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