Operations Management
Operations Management
11th Edition
ISBN: 9780132921145
Author: Jay Heizer
Publisher: PEARSON
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Chapter F, Problem 1P
Summary Introduction

To determine: The sales of sandwich for 10 days.

Introduction: Simulation is the model that can be used in operations, which would imitate the real world process. Simulation uses random sampling for the generation of realistic variability.

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QUESTION 4 Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series:  Quarter Seasonal Index Q1 72.4 Q2 85.3 Q3 109.6      Remember that the seasonal indices should average 100 so you should be able to infer the seasonal index for Q4. Furthermore, suppose that the estimated coeffcients from a regression of the deseasonalized series on Time are given below:    Coefficients Intercept 2,506 Time 71.3  If the original value of the series in a Q1 was 2,040, then what is the seasonally adjusted value? (please round your answer to 1 decimal place)
QUESTION 3 A department store has recorded the sales of the best selling can opener model during the last 6 months. Observed values of the can opener sales are: Period 1 2 3 4 5 6 Sales 25 22 26 33 28 30   Use Holt’s double exponential smoothing with smoothing coefficients α=0.3, β=.15,  S1=24.13 and G1=1.484 to calculate F1,2,  G2 and S2. F1,2 =  S2 =  G2 =
Question 3: Jane is trying to forecast demand for her store, using moving average with n=2, Fill in the missing cells with correct values and find average error for first quarter and second quarter of year 2000 E Enroll- Year Quarter ment Forecast Error Abs Error 1997 313 3. 2 285 4 3 312 5. 4 339 6. 1998 1 359 7 320 356 385 6. 10 1999 396 367 11 397 12 423 13 14 2000 1 15 2000 3412M4
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