The Producer Price Index values for plumbing fixtures and brass fittings from 2002 through 2007 are shown here. Convert the index numbers so that the base period will be 2002 instead of 1982.
Answer to relevant QuestionsFit a linear trend equation to the following data describing the number of active U.S. Army personnel from 2001 through 2007. What is the trend estimate for 2015? Given 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 describe quarterly residential natural gas sales from 2005 through 2008. Determine the quarterly seasonal indexes, then use these indexes to deseasonalize the original data. The U.S. Energy Information Administration reports the following prices for regular unleaded gasoline in Germany from 2003 through 2008. For the price data given here: a. Fit a linear trend equation to the time series. Using ...The Producer Price Index for finished consumer goods from 1980 through 2007 is in file XR18084, with 1982 = 100 and 1980 coded as t = 1. Construct a first order autoregressive forecasting equation for these data, calculate ...
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