- Description
OPS 571T Wk 5 – Practice Week 5 Knowledge Check
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 quarter Jul, Aug, Sep; and 4th quarter Oct, Nov, Dec.
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Last year 100 125 135 175 185 200 150 140 130 200 225 250
This year 125 135 135 190 200 190
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The following table contains the number of complaints received in a department store for the first 6 months of operation:
MONTH COMPLAINTS
January 36
February 45
March 81
April 90
May 108
June 144
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If a three-month moving average is used to smooth this series, what would have been the forecast for May?
Which of the following are significant ways in which service systems differ from manufacturing systems? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer.)
- Service is tangible
- You cannot inventory service
- Employees do not require any technical training
- The process is part of the product
- The service itself cannot be patented
A ride at an amusement park is an example of a service operation where there is direct contact between the customer and server, but little variation in the service process—neither the customer nor server has much discretion in how the service will be provided. As shown on the Service System Design Matrix, which type of service is being delivered?
Face-to-face, tight specs
Buffered core
On-site technology
Face-to-face, total customization
Face-to-face, loose specs
Which of the following is not one of the basic types of forecasting?
Multiple Choice
Qualitative
Time series analysis
Causal relationships
Simulation
Force field analysis
A company wants to forecast demand using the simple moving average. If the company uses four prior yearly sales values (i.e., year 2013= 100, year 2014= 120, year 2015= 140, and year 2016= 210), which of the following is the simple moving average forecast for year 2017?
Multiple Choice
100.5
140.0
142.5
145.5
155.0
Which of the following forecasting methods is very dependent on selection of the right individuals who will judgmentally be used to actually generate the forecast?
Multiple Choice
Time series analysis
Simple moving average
Weighted moving average
Delphi method
Panel consensus
Which of the following is a characteristic that can be used to guide the design of service systems?
Multiple Choice
Services cannot be inventoried.
Services are all similar.
Quality work means quality service.
Services businesses are inherently entrepreneurial.
Even service businesses have internal services.
Which of the following is considered a high-contact service operation?
Multiple Choice
On-line brokerage house
Internet sales for a department store
Physician practice
Telephone life insurance sales and service
Automobile repair
Which of the following approaches to service design is characterized by having the customer take a greater role in the production of the service?
Multiple Choice
Production-line approach
Personal-attention approach
Quality approach
Do-it-yourself approach
Self-service approach