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

question 23

True/False

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,the best model based on the residual plots is the second-order autoregressive model.

---

Definitions:

Personal Tax Rates

The percentage at which an individual is taxed on their income, which varies according to income levels and jurisdictions.

Agency Problem

A conflict of interest inherent in any relationship where one party is expected to act in another's best interests, such as between shareholders and management.

Corporate Behavior

The actions, strategies, and practices of companies in pursuit of their business goals, affecting stakeholders internally and externally.

Ethics

A set of moral principles that govern the behavior of individuals or organizations and guide decision-making and conduct.