SCENARIO 16-13 Given Below Is the Monthly Time Series Data for U.S.retail

question 27

Short Answer

SCENARIO 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 1^st month is 0:
Linear trend model:

Quadratic trend model:
Third-order autoregressive::

Below is the residual plot of the various models:

-Referring to Scenario 16-13,what is the value of the t test statistic for testing the appropriateness of the third-order autoregressive model?

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Definitions:

Subsidiary

A company that is completely or partially owned and wholly controlled by another company, referred to as the parent company.

Voting Stock

Shares that give the shareholder a right to vote on company matters, such as electing the board of directors.

Control

The power to direct the financial and operating policies of a business with a view to gain economic benefits from its activities.

Accounting for Business Combinations

The process of accounting for the acquisition of one company by another and combining the financial statements.