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Question Four:                                                                             ABC Company sells home appliances. Daily sales for a six-day period were as follows: Day Sales Saturday 20 Sunday 24 Monday 30 Tuesday 40 Wednesday 36 Thursday 44   Forecast Friday sales volume using each of the following methods: A three-day moving average.   A four day weighted average using weights of 0.1, 0.2, 0.3 and 0.4 Exponential smoothing with a smoothing constant equal to 0.2, assuming Wednesday forecast of 42.             Determine a linear trend line equation for ABC Company. Use the trend equation to forecast Friday sales volume.

Question Four:                                                                             ABC Company sells home appliances. Daily sales for a six-day period were as follows: Day Sales Saturday 20 Sunday 24 Monday 30 Tuesday 40 Wednesday 36 Thursday 44   Forecast Friday sales volume using each of the following methods: A three-day moving average.   A four day weighted average using weights of 0.1, 0.2, 0.3 and 0.4 Exponential smoothing with a smoothing constant equal to 0.2, assuming Wednesday forecast of 42.             Determine a linear trend line equation for ABC Company. Use the trend equation to forecast Friday sales volume.

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter13: Regression And Forecasting Models
Section13.6: Moving Averages Models
Problem 22P: The file P13_22.xlsx contains total monthly U.S. retail sales data. While holding out the final six...
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Question Four:                                                                            

ABC Company sells home appliances. Daily sales for a six-day period were as follows:

Day

Sales

Saturday

20

Sunday

24

Monday

30

Tuesday

40

Wednesday

36

Thursday

44

 

  1. Forecast Friday sales volume using each of the following methods:
  2. A three-day moving average.  
  3. A four day weighted average using weights of 0.1, 0.2, 0.3 and 0.4
  • Exponential smoothing with a smoothing constant equal to 0.2, assuming Wednesday forecast of 42.            
  1. Determine a linear trend line equation for ABC Company.
  2. Use the trend equation to forecast Friday sales volume.

 

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