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

question 58

Multiple Choice

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 autoregressive model using the 5% level of significance is

• A)first-order
• B)second-order
• C)third-order
• D)none of the above

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Definitions:

Standardization of Work Processes

The establishment of consistent procedures and criteria across an organization to improve efficiency and quality.

Geographic Divisions

Organizational structure where operations are segmented based on geographic locations or territories to streamline management and operations.

Mutual Adjustment

A coordination mechanism where parties adapt to each other's actions and decisions through informal communication.

Complicated Divisions

Complex organizational structures that segregate operations, responsibilities, or tasks into distinct units or departments.