After Estimating a Trend Model for Annual Time-Series Data, You

question 1

Multiple Choice

After estimating a trend model for annual time-series data, you obtain the following residual
Plot against time, the problem with your model is that

• A) the cyclical component has not been accounted for.
• B) the seasonal component has not been accounted for.
• C) the trend component has not been accounted for.
• D) the irregular component has not been accounted for.

---

Definitions:

Brainstorming

A creative group activity aimed at generating a broad range of ideas or solutions to a problem without immediate judgment or criticism.

Combining

Combining involves bringing together diverse elements or ideas into a unified or cohesive whole, often resulting in enhanced efficiency or creativity.

Criticism

The practice of analyzing, evaluating, or expressing disapproval of faults or shortcomings.

Philip's 66

A technique used in group meetings where participants are broken down into smaller groups of six to discuss an issue for six minutes.