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

question 101

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 second-order autoregressive model?

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Definitions:

Partnership

A legitimate business arrangement where two or more partners share both management responsibilities and profits.

Simple Negligence

A legal concept indicating a failure to act with the prudence that a reasonable person would exercise under the same circumstances.

Conducting Business

The act of engaging in activities, operations, or transactions that relate to the buying or selling of goods or services.

Misconduct

Improper or unlawful behavior by a person in a professional or official capacity.