The Consumer Confidence Index (CCI) attempts to measure people’s feelings about general business conditions, employment opportunities, and their own income prospects. The file S02_20.xlsx contains the annual average values of the CCI. Use the moving average method with a carefully chosen span to forecast this time series in the next two years. Defend your choice of the span used.
Answer to relevant QuestionsThe file S02_28.xlsx contains total monthly U.S. retail sales data. While holding out the final six months of observations for validation purposes, use the method of moving averages with a carefully chosen span to forecast ...Consider the poverty level data in the file S02_44.xlsx.a. Create a time series chart of the data. Based on what you see, which of the exponential smoothing models do you think should be used for forecasting? Why?b. Use ...A local bank is using Winters’ method with α = 0.2, β = 0.1, and γ = 0.5 to forecast the number of customers served each day. The bank is open Monday through Friday. At the end of the previous week, the following ...Suppose that a time series consisting of six years (2005-2010) of quarterly data exhibits obvious seasonality. In fact, assume that the seasonal indexes turn out to be 0.75, 1.45, 1.25, and 0.55.a. If the last four ...The file S12_69.xlsx contains net sales (in millions of dollars) for Procter & Gamble.a. Use these data to predict Procter & Gamble net sales for each of the next two years. You need consider only a linear and exponential ...
Post your question