Case Study #2 - Forecasting Ahmed is the Sales Manager at a large corporation that manufactures engines for recreational vehicles (four-wheelers and utility vehicles such as those sold under the brand name GatorTM). The company has been in business making engines for over 15 years but has only sold these small engines for the past eight years. After much growth in the industry, the company is questioning whether sales can be sustained at these levels. Recessions tend to impact discretionary spending as the company observed a few years ago. Executives are considering building a new facility, expanding existing facilities, or maintaining the status quo. Of course, they are also concerned that another recession might severely impact sales. To address these strategic questions, Ahmed must prepare a sales forecast and report his best prediction to upper management and the board. Fortunately, there is a significant amount of historical data available. However, Ahmed must choose the most appropriate forecast and make a sales recommendation to the executive committee. He will also need to rely upon his intuition and experience as a sales manager to ensure the conclusions he makes are logical and rational. Year Actual Sales 1 $3,400,000 2 $3,820,000 3 $3,644,000 4 $3,212,000 5 $3,622,000 6 $4,484,000 7 $4,674,000 8 $5,060,000 ??? Next Year Requirements Ahmed will want to compare several forecasts. ● Two-year historical moving average ● Four-year historical moving average ● Exponential smoothing In the case of exponential smoothing, he must choose the best coefficient and will compare: ● α = 0.2, ● α = 0.5, and ● α = 0.8.

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### Case Study Questions

1. **Compute the next year’s sales based on each of the five different forecasts.**

2. **Determine the accuracy of each forecast using MAD (mean absolute deviation).**

3. **What is the sales forecast that Ahmed should present to the executive board for next year?**
   (Justify your recommendation with appropriate tables, graphs, calculations, etc.)


---

For detailed analysis, including the methodology for computing sales forecasts and evaluating forecast accuracy using MAD (Mean Absolute Deviation), students should refer to relevant statistical and business analysis frameworks. Where required, use visual aids such as tables to organize data and graphs to illustrate trends. Properly justify and explain all calculations undertaken.
Transcribed Image Text:### Case Study Questions 1. **Compute the next year’s sales based on each of the five different forecasts.** 2. **Determine the accuracy of each forecast using MAD (mean absolute deviation).** 3. **What is the sales forecast that Ahmed should present to the executive board for next year?** (Justify your recommendation with appropriate tables, graphs, calculations, etc.) --- For detailed analysis, including the methodology for computing sales forecasts and evaluating forecast accuracy using MAD (Mean Absolute Deviation), students should refer to relevant statistical and business analysis frameworks. Where required, use visual aids such as tables to organize data and graphs to illustrate trends. Properly justify and explain all calculations undertaken.
**Case Study #2 – Forecasting**

Ahmed is the Sales Manager at a large corporation that manufactures engines for recreational vehicles (four-wheelers and utility vehicles such as those sold under the brand name Gator™). The company has been in business making engines for over 15 years but has only sold these small engines for the past eight years. 

After much growth in the industry, the company is questioning whether sales can be sustained at these levels. Recessions tend to impact discretionary spending as the company observed a few years ago. Executives are considering building a new facility, expanding existing facilities, or maintaining the status quo. Of course, they are also concerned that another recession might severely impact sales. To address these strategic questions, Ahmed must prepare a sales forecast and report his best prediction to upper management and the board. 

Fortunately, there is a significant amount of historical data available. However, Ahmed must choose the most appropriate forecast and make a sales recommendation to the executive committee. He will also need to rely upon his intuition and experience as a sales manager to ensure the conclusions he makes are logical and rational.

**Historical Sales Data:**

| Year | Actual Sales      |
|------|--------------------|
| 1    | $3,400,000         |
| 2    | $3,820,000         |
| 3    | $3,644,000         |
| 4    | $3,212,000         |
| 5    | $3,622,000         |
| 6    | $4,484,000         |
| 7    | $4,674,000         |
| 8    | $5,060,000         |
| Next Year | ??? |

**Requirements:**

Ahmed will want to compare several forecasts.

- Two-year historical moving average
- Four-year historical moving average
- Exponential smoothing

In the case of exponential smoothing, he must choose the best coefficient and will compare:

- α = 0.2,
- α = 0.5, and
- α = 0.8.

**Explanation of Forecasting Methods:**

1. **Two-Year Historical Moving Average:**
   - This method averages the sales data for the past two years to predict the sales for the next year.

2. **Four-Year Historical Moving Average:**
   - This technique involves averaging the sales data for the past four years to estimate the sales for the upcoming year.

3
Transcribed Image Text:**Case Study #2 – Forecasting** Ahmed is the Sales Manager at a large corporation that manufactures engines for recreational vehicles (four-wheelers and utility vehicles such as those sold under the brand name Gator™). The company has been in business making engines for over 15 years but has only sold these small engines for the past eight years. After much growth in the industry, the company is questioning whether sales can be sustained at these levels. Recessions tend to impact discretionary spending as the company observed a few years ago. Executives are considering building a new facility, expanding existing facilities, or maintaining the status quo. Of course, they are also concerned that another recession might severely impact sales. To address these strategic questions, Ahmed must prepare a sales forecast and report his best prediction to upper management and the board. Fortunately, there is a significant amount of historical data available. However, Ahmed must choose the most appropriate forecast and make a sales recommendation to the executive committee. He will also need to rely upon his intuition and experience as a sales manager to ensure the conclusions he makes are logical and rational. **Historical Sales Data:** | Year | Actual Sales | |------|--------------------| | 1 | $3,400,000 | | 2 | $3,820,000 | | 3 | $3,644,000 | | 4 | $3,212,000 | | 5 | $3,622,000 | | 6 | $4,484,000 | | 7 | $4,674,000 | | 8 | $5,060,000 | | Next Year | ??? | **Requirements:** Ahmed will want to compare several forecasts. - Two-year historical moving average - Four-year historical moving average - Exponential smoothing In the case of exponential smoothing, he must choose the best coefficient and will compare: - α = 0.2, - α = 0.5, and - α = 0.8. **Explanation of Forecasting Methods:** 1. **Two-Year Historical Moving Average:** - This method averages the sales data for the past two years to predict the sales for the next year. 2. **Four-Year Historical Moving Average:** - This technique involves averaging the sales data for the past four years to estimate the sales for the upcoming year. 3
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