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The Sales Forecasting Foundation
Overall Management of the Forecasting Operation
The Management of Statistical Forecasting
16 other sections not shown
allowable error range annual forecast arithmetic mean assume calculated casting cities coefficient of determination company sales confidence level consumer Cumulative Forecast curve customers degrees of freedom derived deseasonalized sales develop deviation durable goods expenditures Durbin-Watson statistic economic series evaluate example Exhibit exponential smoothing firm fore forecast categories Forecast Control Table forecast period forecasting accuracy forecasting equation forecasting model forecasting procedures geographic Gompertz curve historical sales data housing starts illustrate independent variables individual products linear trend market index month monthly forecasts monthly sales moving average multiplied percentage of total probably product line product model projections quarter regional index regression analysis regression model relationship retail sales forecasting sales observations sales volume salesmen sample Scatter Diagram seasonal indexes second-degree trend share of market simple moving average standard error statistical forecasting survey techniques territorial forecasts test market tion total sales trend fitting Trend Model unit sales variation