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Unformatted text preview: Name: (please print) Section: 14905 Midterm II BUAD311 – Operations Management • This exam is comprised of six pages, including this page. • The exam is scheduled for 1 hour 50 minutes. There is a total of 100 points on the quiz. • This is an open-book, open-notes exam. You may use a simple calculator. • No laptops. No PDAs. • Show your work. If I cannot tell how you arrived at an answer, you will not receive full credit. An answer with no justification may receive no credit. • You must read and sign the following pledge. If you do not read and sign the pledge, your exam may be treated as if you did not turn it in. Honor Code: “ I pledge my honor that I have not violated the Honor Code during this examination.” X__________________________ 1 Section A: Multiple Choices [4 pts each] 1. Hotel guests usually complain about the long waiting times for the elevators. Which of the following may help to improve customers’ waiting experience? I: Install more elevators II: Upgrade to faster elevators III: Install mirrors near the elevators a) I b) II c) III d) I and II e) I, II, and III e) 2. The operator of a coffee stand has noticed that over the past week the utilization at the stand has increased from 0.6 to 0.75, and as a result the average total amount of time a customer spends there (in line and in service) has increased by 25%. If the utilization increases next week to 0.9, the average total time would: a) decrease b) increase, but increase less than 25% c) increase exactly 25% d) increase more than 25% e) None of the above d) 3. The three pieces of info needed when using the exponential smoothing method are a) the most recent forecast, the actual demand which occurred for that period, and a smoothing constant b) the usual average demand, the MAD, and a smoothing constant c) the actual demand for the most recent past period, the seasonal influence factor, and a smoothing constant d) the most recent forecast, the actual demand that occurred for that period, and the standard error e) None of the above a) 4. Changing alpha value in single exponential smoothing from .2 to .5 would make: a) forecasts more dependent on most recent actual. b) no difference. c) forecasts slower to respond to most recent actual. d) the equations invalid....
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This note was uploaded on 12/10/2008 for the course BUAD 14900 taught by Professor Hiroshiochiumi during the Fall '08 term at USC.
- Fall '08