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

question 23

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 second-order autoregressive model.

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Definitions:

Frozen Yogurt

A frozen dessert made with yogurt and sometimes other dairy and non-dairy products, known for being a healthier alternative to traditional ice cream.

Market Shift

A change in the supply or demand conditions in a market, leading to a new equilibrium of prices and quantities.

Gasoline

A fluid energy source obtained from crude oil, predominantly utilized to operate engines based on internal combustion.

Supply (S)

The total amount of a specific good or service that is available to consumers at various prices over a certain period.