TABLE 16-13 Given Below Is the Monthly Time-Series Data for U.S. Retail

question 8

Short Answer

TABLE 16-13
Given below is the monthly time-series data for U.S. retail sales of building materials over a specific year.

The results of the linear trend, quadratic trend, exponential trend, first-order autoregressive, second-order autoregressive and third-order autoregressive model are presented below in which the coded month for the first month is 0:




-Referring to Table 16-13, what is the exponentially smoothed value for the first month using a smoothing coefficient of W = 0.5?

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Definitions:

Inventory

A comprehensive listing or cataloging of items, such as goods in stock or the contents of a property.

Projective Test

A psychological testing technique that uses ambiguous stimuli to elicit responses that are believed to reveal a person's unconscious thoughts and feelings.

Unconscious Thoughts

Mental processes that occur without conscious awareness, influencing perceptions, feelings, and behaviors without our direct knowledge.

Halo Effect

Tendency of an interviewer to allow positive characteristics of a client to influence the assessments of the client’s behavior and statements.