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CHAPTER 13: Multiple Regression Analysis > SUPPLEMENTARY PROBLEMS

SUPPLEMENTARY PROBLEMS

CALCULATING THE STATISTICS

  • 13.24 Use the following data to develop a multiple regression model to predict y from x1 and x2. Discuss the output, including comments about the overall strength of the model, the significance of the regression coefficients, and other indicators of model fit.

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  • 13.25 Given here are the data for a dependent variable, y, and independent variables. Use these data to develop a regression model to predict y. Discuss the output.

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TESTING YOUR UNDERSTANDING

  • 13.26 The U.S. Bureau of Mines produces data on the price of minerals. Shown here are the average prices per year for several minerals over a decade. Use these data and multiple regression to produce a model to predict the average price of gold from the other variables. Comment on the results of the process.

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