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

question 144

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 12ᵗʰ month using a smoothing coefficient of W = 0.25 if the exponentially smooth value for the 10ᵗʰ and 11ᵗʰ month are 9,477.7776 and 9,411.8332, respectively?

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Definitions:

Impressment

The British navy’s practice of using press-gangs to kidnap men in British and colonial ports who were then forced to serve in the British navy.

British Imports

Goods or services brought into a country from the United Kingdom for sale or use.

French Revolution

A period of far-reaching social and political upheaval in France (1789-1799) that ultimately led to the end of monarchy, rise of democracy, and radical socio-political changes.

Alien and Sedition Acts

A series of laws passed in 1798 that increased the residency requirement for American citizenship, authorized the president to imprison or deport aliens considered "dangerous to the peace and safety of the United States," and restricted speech critical of the government.