A plastics manufacturing performed a quarterly time series analysis for demands over the last five
Years (periods 1 through 20) . The analysis resulted in the following trend equation and seasonal
Indexes: 
= 920.0 + 22.6 t 
If demand for period 19 was actually 1,000, what was the deseasonalized demand?
Definitions:
Divisional Sales Revenues
The total amount of money generated from sales activities by a specific division within a company during a given period.
Customer Satisfaction
A measure of how products or services provided by a company meet or surpass customer expectation.
Citrus Juice
The liquid extract from citrus fruits like oranges, lemons, and grapefruits, rich in vitamins and often consumed for its health benefits.
Salad Dressing
A mixture of ingredients like oil, vinegar, herbs, and seasonings applied to salads to enhance their flavor.
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