# Decision Science 412

Topics: Decision theory, Forecasting, Risk Pages: 3 (776 words) Published: September 14, 2012
Which one of the following is false? d. An accounting firm does not need operations management. Which one of the following policies is stated in the syllabus or the student guideline power point slides for DS 412? D) All students are asked to provide a valid e-mail address on "iLearn".  What are an organization’s goals based on? d. Its mission

Operations Management includes all of these activities except: b. Assessing consumer wants and needs Which one of the following is one of the key differences between how manufacturing and service operations is managed? d. Services generally can't be stored. Which of the following are (always) true about Naive and Moving Average forecasting methods? II. Moving Average method is not appropriate when there is trend in the data & III. Moving Average forecasts are less responsive to data when n is large The X23910 model mobile phone sales have been as follows in the last 6 months. What is your forecast for the sales of this phone in month 7? Use the appropriate Naive method............1412 Month|Sales|

1|1378|
2|1356|
3|1434|
4|1368|
5|1396|
6|1412|

Which of the following methods is (are) subjective and may bias the forecast? Executive Opinion, Delphi, Market Research, Sales Force Opinion Which of the following forecasting methods generates trend forecasts? Regression and Naive Method You have been recording the gasoline price at your local gas station over the last three weeks. The following table summarizes the data that you have collected. What is your forecast for the price of gasoline on day 23? Use the appropriate Naive method.........3.47 Day|Price|

1|3.46|
2|2.99|
3|3.01|
4|3.15|
5|3.35|
6|3.33|
7|3.25|
8|3.41|
9|2.95|
10|2.99|
11|3.12|
12|3.28|
13|3.25|
14|3.22|
15|3.48|
16|3.03|
17|3.08|
18|3.19|
19|3.38|
20|3.33|
21|3.30|
22|3.47|

Which one of these is not a reason for diseconomies of scale? a. Fixed costs are spread over more units The term economies of scale is used to describe the...