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

question 93

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 exponentially smoothed value for the first month using a smoothing coefficient of W = 0.25?

---

Definitions:

Issues Management

The proactive process of identifying, evaluating, and responding to public policy, social, and ethical issues that could impact an organization.

Systematic Preparedness

The organized and planned set of actions and measures taken to be ready for known risks and unforeseen events, minimizing impact and enhancing response.

Coalition Building

the process of forming alliances or groups among individuals or organizations with a common goal or interest.

Political Impact

The effect or influence that political actions, policies, or events have on an individual, organization, or society as a whole.