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

question 152

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 second-order autoregressive model?

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Definitions:

Brainstorming

A creative group problem-solving and idea generation technique where participants are encouraged to come up with thoughts and solutions without judgement.

Groupthink

A psychological phenomenon that occurs within a group of people, where the desire for harmony or conformity results in an irrational or dysfunctional decision-making outcome.

Nominal Group Technique

A structured method for group brainstorming that encourages contributions from everyone.

Constructive Conflict

A situation where differing views are debated in a positive, respectful manner, leading to improved decision-making or solutions.