TABLE 16-13 Given Below Is the Monthly Time-Series Data for U.S. Retail

question 94

Short Answer

TABLE 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 first month is 0:




-Referring to Table 16-13, what is the exponentially smoothed forecast for the 13ᵗʰ month using a smoothing coefficient of W = 0.5 if the exponentially smooth value for the 10ᵗʰ and 11ᵗʰ month are 9,746.3672 and 9,480.1836, respectively?

---

Definitions:

Phenotypically

Pertaining to the observable characteristics or traits of an organism, which result from the interaction of its genotype with the environment.

Pregnant Teenager

A term used to describe a teenage individual who is expecting a baby.

Good Health

A state of physical, mental, and social well-being where illness and infirmity are absent or minimized.

Conversing Simultaneously

The act of engaging in conversation where two or more parties speak at the same time, often leading to chaotic communication.