The National Underwriter Company in Cincinnati, Ohio, publishes property and casualty insurance data. Given here is a portion of the data published. These data include information from the U.S. insurance industry about (1) net income after taxes,(2) dividends to policyholders,(3) net underwriting gain/loss, and (4) premiums earned. Use the data and stepwise regression to predict premiums earned from the other threevariables.
Answer to relevant QuestionsDevelop a correlation matrix for the independent variables in Problem 14.13. Study the matrix and make a judgment as to whether substantial multicollinearity is present among the predictors. Why or whynot?Another database associated with this text and found in Wiley PLUS is the Consumer Food database. There is a dichotomous variable in this database, and that is whether a family lives in a metro area or outside. In the ...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 a stepwise regression procedure to produce a model to predict ...Shown below is Minitab output from a logistic regression analysis to develop a model to predict whether a shopper in a mall store will purchase something by the number of miles the shopper drives to get to the mall store. ...Following are time-series data for eight different periods. Use exponential smoothing to forecast the values for periods 3 through 8.Use the value for the first period as the forecast for the second period. Compute forecasts ...
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