Exhibit 18.2.The following table includes the information about a monthly time series. 
Refer to Exhibit 18.2.When the exponential smoothing method with α = 0.1 is applied,what is the mean absolute deviation (MAD) ?
Definitions:
Balance Sheet
A document detailing a corporation's assets, debts, and owner's equity at a certain point in time.
Marital Status
A legal or social recognition of a person's relationship status, such as single, married, divorced, or widowed.
Unemployment Tax
Taxes imposed on employers by government agencies to fund unemployment insurance and compensation programs for workers who have lost their jobs.
Social Security Tax
Taxes collected by governments from employees and employers to fund the social security program, supporting retirees, disabled persons, and survivors.
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