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

question 126

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 for the t test statistic for testing the significance of the quadratic term in the quadratic-trend model?

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Definitions:

Vending Machines

Automated machines that sell items such as snacks, beverages, and tickets to consumers after money, a credit card, or a specially designed card is inserted into the machine.

Free Association

A psychoanalytic technique in which a patient voices thoughts as they occur, without critical filtering, to uncover unconscious processes.

Repressed Memory Recovery

The process of recalling memories that have been unconsciously blocked due to being associated with a high level of stress or trauma.

Reaction Formation

In psychoanalytic theory, the defense mechanism that keeps an anxiety-producing impulse or thought in check by producing its opposite.