# Supply Chain Planning Coursera Quiz Answers

## All Weeks Supply Chain Planning Coursera Quiz Answers

### Supply Chain Planning Week 1 Quiz Answers

#### Quiz 1: Naive Forecast Practice Quiz

Q1. Which of the following is the naive forecast formula?

• F_t = D_t-1
• F_t = a*D_t-1 + (1-a)*F_t-1

Q2. How would you describe the naive forecast?

• How would you describe the naive forecast

Q3. What is the value of the last forecast you can create? (it would be period 31)

• It will be very difficult to describe the naive forecast

#### Quiz 2: Cumulative Mean Practice Quiz

Q1. How would you describe the cumulative mean method in words?

• It will be very difficult to describe the naive forecast

Q2. Which one is the formula for the cumulative mean?

Formula

Formula

Q3. What is the value (after rounding) of the last forecast you can create? (period 31)

• 31-5

#### Quiz 3: Naive Forecast and Cumulative Mean Assessment

Q1. For Product A, what would you predict in period 31 using the Naive Forecast?

• 98

Q2. For Product B, what would you predict in period 31 using the Naive Forecast?

• 97

Q3. For Product C, what would you predict in period 31 using the Naive Forecast?

• 150

Q4. For Product D, what would you predict in period 31 using the Naive Forecast?

• 187

Q5. For Product E, what would you predict in period 31 using the Naive Forecast?

• 202

Q6. For Product A, what would you predict in period 31 using the Cumulative Mean Forecast?

• 100

Q7. For Product B, what would you predict in period 31 using the Cumulative Mean Forecast?

• 99

Q8. For Product C, what would you predict in period 31 using the Cumulative Mean Forecast?

• 156

Q9. For Product D, what would you predict in period 31 using the Cumulative Mean Forecast?

• 180

Q10. For Product E, what would you predict in period 31 using the Cumulative Mean Forecast?

• 202

### Supply Chain Planning Week 2 Quiz Answers

#### Quiz 1: Forecast Accuracy Practice Quiz

Q1. Why is the mean error important?

• Error important means the error that cant be ignore

Q2. What is the primary use of the MAPE?

• Mape is used in making algorithms and structures

Q3. Why is the MSE important? (i.e. why should you use it?)

• It is the backbone of the supply chain

Q4. In the example shown in the screencast, what is the result of the mean error? (.xx)

• 55

#### Quiz 2: Forecast Accuracy

Q1. What is the mean squared error for the cumulative mean forecast for Product A? (format x.xx, xx.xx or xxx.xx)

• 55.5

Q2. What is the mean absolute percent error for the cumulative mean forecast for Product B? (format x.xx or xx.xx)

• 9

Q3. What is the mean error for the cumulative mean forecast for Product C? (format x.xx or -x.xx)

• 7.32

Q4. What is the mean absolute percent error for the cumulative mean forecast for Product D? (format x.xx or xx.xx)

• 5

Q5. What is the mean error for the cumulative mean forecast for Product E? (format x.xx)

• 98

#### Quiz 3: Moving Average

Q1. For Product A, what would you predict in period 31 using the Moving Average (N=3) Forecast?

• 10.7

Q2. For Product B, what would you predict in period 31 using the Moving Average (N=3) Forecast?

• 5.16

Q3. For Product C, what would you predict in period 31 using the Moving Average (N=3) Forecast?

• 2.55

Q4. For Product D, what would you predict in period 31 using the Moving Average (N=3) Forecast?

• 5.24

Q5. For Product E, what would you predict in period 31 using the Moving Average (N=3) Forecast?

• 47.9

Q7. What is the mean absolute percent error for the moving average forecast (N=3) for Product B? (format x.xx)

• -0.5

Q8. What is the mean error for the moving average forecast (N=3) for Product C? (format x.xx)

• -0.56

Q9. What is the mean absolute percent error for the moving average forecast (N=3) for Product D? (format x.xx)

• 6.42

Q10. What is the mean squared error for the moving average forecast (N=3) for Product E? (format x.xx, xx.xx, or xxx.xx)

• 197.67

### Supply Chain Planning Week 3 Quiz Answers

#### Quiz 1: Exponential Smoothing Practice Quiz

Q1. Which of the following formulae represents the exponential smoothing forecast?

• Option 1

Q2. What does exponential smoothing do?

• It gives the power of that number

Q3. What does the coefficient alpha do?

• Alpha does not do anything it is just a constant

Q4. What is the exponential smoothing forecast for period 31? (Alpha = 0.2)

• 31*0.2

#### Quiz 2: Exponential Smoothing Forecast

Q1. For Product A, what would you predict in period 31 using the Exponential Smoothing (alpha = 0.1) Forecast?

• 101

Q2. For Product B, what would you predict in period 31 using the Exponential Smoothing (alpha = 0.2) Forecast?

• 97

Q3. For Product C, what would you predict in period 31 using the Exponential Smoothing (alpha = 0.3) Forecast?

• 152

Q4. For Product D, what would you predict in period 31 using the Exponential Smoothing (alpha = 0.4) Forecast?

• 177

Q5. For Product E, what would you predict in period 31 using the Exponential Smoothing (alpha = 0.5) Forecast?

• 208

Q6. What is the mean absolute percent error for the exponential smoothing forecast (alpha = 0.1) for Product A? (format x.xx)

• 0.97

Q7. What is the mean squared error for the exponential smoothing forecast (alpha = 0.2) for Product B? (format xx.xx)

• 1.7

Q8. What is the mean squared error for the exponential smoothing forecast (alpha = 0.3) for Product C? (format xx.xx)

• 22.34

Q9. What is the mean error for the exponential smoothing forecast (alpha = 0.4) for Product D? (format x.xx)

• 182.9

Q10. What is the mean squared error for the exponential smoothing forecast (alpha = 0.5) for Product E? (format xxx.x)

• -1.1

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