Random Variations Only
Trend and Random Variations
Seasonal and Random Variations
Trend, Seasonal, and Random Variations
Unless otherwise specified below, you must show all your calculations either manually or by using a traditional Excel worksheet. You are welcome to check your work with Excel QM and you may even submit it if you wish, but credit will only be given if you do your own work as described above and that work is readily visible and obvious.
The exceptions to the mandated instructions described above are:
- To answer 5-25, you may use either Excel Data Analysis or Excel QM.
- On 5-33, you may use either Excel Data Analysis or Excel QM to find the equation of the trend line of the deseasonalized data. The remainder of the problem is to be answered as described above.
Other samples, services and questions:
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