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

question 149

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 = 0.5?

---

Definitions:

Supreme Court

The highest judicial court in a country or state, having the authority to adjudicate appeals on significant matters.

1954

A year marked by significant historical events, such as the Brown v. Board of Education Supreme Court decision that declared state laws establishing separate public schools for black and white students to be unconstitutional.

Network Therapy

A therapeutic approach involving a network of significant others in the treatment process to support a client's recovery.

Asian American

An American of Asian descent, often relating to people from the Asian continent or their descendants in the United States.