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

question 126

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 p-value for the t test statistic for testing the significance of the quadratic term in the quadratic-trend model?

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Definitions:

Average Account Rate

represents the average rate of return on an investment or portfolio over a specific period.

Crossover Rate

The rate at which two different projects achieve the same net present value, often used in capital budgeting.

Capital Budgeting

The process by which a business evaluates and selects long-term investments that are worth more than their cost, considering the potential for profitability and risk.

Corporate Finance

The division of finance that deals with financing, capital structuring, and investment decisions in corporations.