January 2018
Intermediate to advanced
480 pages
236h 9m
English
The Northville Post Office experiences a seasonal pattern of daily mail volume every week. The following data for two representative weeks are expressed in thousands of pieces of mail:
Day |
Week 1 |
Week 2 |
|---|---|---|
Sunday |
5 |
8 |
Monday |
20 |
15 |
Tuesday |
30 |
32 |
Wednesday |
35 |
30 |
Thursday |
49 |
45 |
Friday |
70 |
70 |
Saturday |
15 |
10 |
Total |
224 |
210 |
Calculate a seasonal factor for each day of the week.
If the postmaster estimates 230,000 pieces of mail to be sorted next week, forecast the volume for each day of the week.
Calculate the average daily mail volume for each week. Then, for each day of the week, divide the mail volume by the week’s average to get the seasonal factor. Finally, for each day, add the two seasonal factors ...
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