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

question 77

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 exponential-trend regression model.

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Definitions:

Jobs

Refers to the roles or positions that individuals hold in an organization, involving specific responsibilities and tasks.

Impersonal

Lacking warmth or personality; not influenced by, showing, or involving personal feelings.

Group Values

Shared beliefs or standards that guide the behaviors and decisions of a collective or group.

Outnumbered

Being in a situation where one group or individual is significantly less in number compared to another group or individuals.