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

question 168

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 your forecast for the 13^th month using the linear-trend model?

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Definitions:

Vesicle

A small, fluid-filled sac or cyst within the body or a cell, used to transport materials within the cytoplasm.

Membrane Enclosed Sac

A structure within a cell, bounded by lipids, that contains fluid or smaller organelles, involved in transport, storage, and processing.

9+2 Arrangement

A specific structure found in the microtubules of eukaryotic cilia and flagella, consisting of nine pairs of microtubules surrounding two central microtubules.

Cilia

Hair-like structures on the surface of cells that move in a wave-like manner to transport materials and fluids or aid in mobility.