SUBWAY has grown to include more than 31,000 restaurants worldwide since they opened their first one in 1965. The accompanying data show the number of SUBWAY restaurants worldwide from 1985 through 2002. Fit a quadratic equation to these data and estimate the number of SUBWAY restaurants worldwide in 2014.
Answer to relevant QuestionsGiven the time series in Exercise 18.61, and using exponential smoothing with α = 0.8, what would have been the forecast for 2003? In exercise The following data are quarterly sales for the J. C. Penney Company for 2000 through 2002. Determine the quarterly seasonal indexes, then use these indexes to deseasonalize the original data. The actual number of help-wanted ads in a local newspaper was 1682, 1963, 2451, and 3205 for quarters I through IV, respectively, of the preceding year. The corresponding deseasonalized values are 2320, 2362, 2205, and 2414, ...Monthly loan applications for a local bank from 2006 through 2009 were as shown in the table. a. Combining the monthly applications for each year, fit a linear trend equation and forecast the number of applications for ...The following data show residential and commercial natural gas consumption (quadrillion Btu) from 1992 through 2007. a. Construct a graph of the time series, then superimpose a three-year centered moving average over the ...
Post your question