Questions from General Operations Management

Q: Sales by quarter for last year and the first three quarters of

Sales by quarter for last year and the first three quarters of this year were as follows. Using a procedure that you develop that captures the change in demand from last year to this year and also t...

Q: The following are sales revenues for a large utility company for years

The following are sales revenues for a large utility company for years 1 through 11. Forecast revenue for years 12 through 15. Because we are forecasting four years into the future, you will need to u...

Q: Given the following history, use a three-quarter moving average

Given the following history, use a three-quarter moving average to forecast the demand for the third quarter of this year. Note, the 1st quarter is Jan, Feb, and Mar; 2nd quarter Apr, May, Jun; 3rd qu...

Q: Under a kanban approach to lean manufacturing, order quantities should be

Under a kanban approach to lean manufacturing, order quantities should be as small as possible. For a part that is manufactured in-house, what part of its manufacturing process needs to be reduced to...

Q: What do you think might be some barriers to the successful,

What do you think might be some barriers to the successful, effective use of the project management software packages discussed in the chapter?

Q: The following tabulations are actual sales of units for six months and

The following tabulations are actual sales of units for six months and a starting forecast in January. a. Calculate forecasts for the remaining five months using simple exponential smoothing with &Ic...

Q: The following table contains the demand from the last 10 months.

The following table contains the demand from the last 10 months. a. Calculate the single exponential smoothing forecast for these data using an α of 0.30 and an initial forecast (F1) o...

Q: Actual demand for a product for the past three months was

Actual demand for a product for the past three months was a. Using a simple three-month moving average, make a forecast for this month. b. If 300 units were actually demanded this month, what would...

Q: The number of cases of merlot wine sold by the Connor Owen

The number of cases of merlot wine sold by the Connor Owen winery in an eight-year period is as follows. Using an exponential smoothing model with an alpha value of 0.20, estimate the smoothed value...

Q: Assume that your stock of sales merchandise is maintained based on the

Assume that your stock of sales merchandise is maintained based on the forecast demand. If the distributor’s sales personnel call on the first day of each month, compute your forecas...