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

question 101

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 value of the t test statistic for testing the appropriateness of the second-order autoregressive model?

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Definitions:

Total Liabilities and Equity

The sum of all liabilities (what a company owes) plus the owners' equity (the original investment plus any retained earnings).

Exchange Rates

The rate at which one currency can be exchanged for another, affecting international trade and investments.

Exchange Gain/Loss

Exchange gain or loss results from foreign currency transactions due to changes in exchange rates between the initial transaction and settlement dates or reporting dates.

Functional Currency

The chief monetary unit in the leading economic area where an organization conducts operations, utilized in its financial statements.