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

question 67

Multiple Choice

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, the best autoregressive model using the 5% level of significance is

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Definitions:

Ice Sheet

A large mass of glacier ice that covers an area of over 50,000 square kilometers, often found in polar regions.

Crustal Root

The downward extension of the Earth's crust into the mantle beneath mountain ranges, helping to support the elevation of the mountains above.

Thrust Faults

Type of fault where the hanging wall moves up relative to the footwall, common in areas of compression.

Thrust Sheets

Large segments of the Earth's crust that have been thrust over one another by compressional forces, commonly found in mountainous regions.