The following information has been collected on the sales of greeting cards for the past 6 weeks. 
a.Produce exponential smoothing forecasts for the series using a smoothing constant of .2.
b.Compute the mean square error for the forecasts produced with a smoothing constant of .2.
c.What is the forecast of sales for week 7?
d.Is a smoothing constant of .2 or .3 better for the sales data? Explain.
Definitions:
Capital Contributions
The funds or assets contributed to a company by its owners or shareholders to increase equity.
Beginning Capital Balance
The total funds noted in a corporation's books at the beginning of a fiscal period.
Personal Use
The application or employment of something for the benefit or enjoyment of an individual, often distinct from business or commercial usage.
Income Distribution
The way in which a country's total GDP is spread among its population, affecting economic inequality.
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