Discussion-1
• How does an additive model compare with a multiplicative model?
• Regarding a time series, how does a cycle compare to a seasonal effect?
• What are the various phases of a business cycle? Which part of the business cycle is the U.S. economy currently in?
• What types of businesses face seasonal cycles? Name at least two.
Discussion Question 3
• How can trendless data be evaluated?
• How does a trailing-moving average compare to a centered-moving average?
• When should exponential smoothing be used for data? Explain with an example.
• In exponential smoothing, what type of smoothing constant should be chosen for little smoothing compared with moderate smoothing?
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