# Question: Use the data in Table 11 6 to run a polynomial

Use the data in Table 11-6 to run a polynomial regression model of exports to Singapore versus M1 and M1 squared, as well as Price and Price squared, and an interaction term. Also try to add a squared exchange rate variable into the model. Find the best, most parsimonious regression model for the data.

## Answer to relevant Questions

Use the data of Example 11-3, presented in Table, to try to fit a polynomial regression model of movie gross earnings on production cost and production cost squared. Also try promotion and promotion squared. What is the ...Regress Y against X1, X2, and X3 with the following sample data: a. What is the regression equation? b. Change the first observation of X3 from 8.00 to 9.00. Repeat the regression. What is the new regression equation? c. ...What are the advantages and disadvantages of trend analysis? When would you use this method of forecasting? Construct an exponential smoothing forecasting model, using w = 0.7, for new orders reported by a manufacturer. Monthly data (in thousands of dollars) to April 2007 are 195, 193, 190, 185, 180, 190, 185, 186, 184, 185, 198, ...The following data are a local newspaper’s readership figures, in thousands: Do a trend regression on the data, and forecast the total number of readers for 2008 and for 2009.Post your question