The U.S. Department of Labor publishes consumer price indexes (CPIs) on many commodities. Following are the percentage changes in the CPIs for food and for shelter for the years 1994 through 2011.Use these data to develop a linear regression model to forecast the percentage change in food CPIs by the percentage change in shelter CPIs. Compute a Durbin-Watson statistic to determine whether significant autocorrelation is present in the model. Let α =.05.
Answer to relevant QuestionsUse 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?Suppose the following data represent the price of 20 reams of office paper over a 60-year time frame. Find the simple index numbers for the data. a. Let 1950 be the base year.b. Let 1980 be the baseyear.Compute index numbers for the following data using 1997 as the baseyear.Given below are data on the number of business establishments (millions) and the self-employment rate (%) released by the Small Business Administration, Office of Advocacy, for a 21-year period of U.S. business activity. ...The Board of Governors of the Federal Reserve System publishes data on mortgage debt outstanding by type of property and holder. The following data give the amounts of residential nonfarm debt (in $ billions) held by savings ...
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