THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 48

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The table below is the data set of the number of preorders received for a particular game on a weekly basis.
The forecaster uses the Holt-Winters Exponential Smoothing for nonseasonal series to forecast the number of preorders in future time periods.
He uses α = 0.8 and β = 0.5.(Hint: Use the formula from the text to arrive at the answers. )

-Which of the following components describe the up and down movements of a time series that vary both in length and in intensity?

• A)the trend component
• B)the seasonal component
• C)the cyclical component
• D)the irregular component

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Definitions:

Meta-Analysis

A statistical technique for combining the results of many studies on a particular topic, even when the studies used different data collection methods.

Literature Review

A comprehensive summary of previous research on a topic, often used at the beginning of scholarly articles to contextualize the current study.

Replication

Replication involves repeating a study or experiment to verify its findings and ensure reliability.

American Psychological Association

A professional organization representing psychologists in the United States, which promotes psychological research and practice.