The “Economic Report to the President of the United States” included data on the amounts of manufacturers’ new and unfilled orders in millions of dollars. Shown here are the figures for new orders over a 21-year period. Use a computer to develop a regression model to fit the trend effects for these data. Use a linear model and then try a quadratic model. How well does either model fit thedata?
Answer to relevant QuestionsThe following data on the number of union members in the United States for the years 1984 through 2012 are provided by the U.S. Bureau of Labor Statistics. Using regression techniques discussed in this section, analyze the ...Use the data from Problem 15.15 to create a regression forecasting model using the first-differences data transformation. How do the results from this model differ from those obtained in Problem15.15?Using the data that follow, compute the aggregate index numbers for the four types of meat. Let 1995 be the base year for this market basket ofgoods.The following data contain the quantity (million pounds) of U.S. domestic fish caught annually over a 25-year period as published by the National Oceanic and Atmospheric Administration. a. Use a 3-year moving average to ...Use the seasonal indexes computed to de-seasonalize the data in Problem 15.39.Industrial Machinery andTime Period ........ Equipment Shipments1st quarter (year 1) ...... 54.0192nd quarter ....... 56.4953rd quarter ...
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