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

question 29

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,you can reject the null hypothesis for testing the appropriateness of the third-order autoregressive model at the 5% level of significance.

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Definitions:

Probability

A measure of the likelihood of a specific event or outcome expressed as a ratio between 0 and 1.

Passengers

Individuals who travel in a vehicle but are not responsible for driving or navigating the vehicle.

Atlantic Ocean

The second-largest ocean body in the world, located between the Americas, Europe, and Africa.

Titanic

The British passenger liner that sank after hitting an iceberg on its maiden voyage in 1912, leading to significant loss of life.