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

question 128

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 p-value of the t test statistic for testing the appropriateness of the third-order autoregressive model?

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Definitions:

Investment

The operation of deploying resources, often financial, with the intention of earning returns.

Financial Transaction

An agreement, communication, or movement of funds between two parties that results in the exchange of financial instruments.

Disposable Income

Disposable income is the amount of money that households have available for spending and saving after income taxes have been accounted for.

Typical Corporation

A standard business entity where ownership is divided into shares of stock, offering limited liability to its shareholders and being subject to corporate tax rates.