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burgers ii in the previous exercise you analyzed the association between the amounts of fat and sodium in fast food
fuel economy 2007 here are advertised horsepower ratings and expected gas mileage for several 2007 vehicles
drug abuse a survey was conducted in the united states and 10 countries of western europe to determine the percentage
burgers fast food is often considered unhealthy because much of it is high in both fat and sodium but are the two
thrills people who responded to a july 2004 discovery channel poll named the 10 best roller coasters in the united
vehicle weights the minnesota department of transportation hoped that they could measure the weights of big trucks
income and housing the office of federal housing enterprise oversight wwwofheogov collects data on various aspects of
cellular telephones and life expectancy a survey of the worlds nations in 2004 shows a strong positive correlation
height and reading a researcher studies children in elementary school and finds a strong positive linear association
discuss the presence of multicollinearity evaluate the strength of evidence for the presence of multicollinearity on
suppose we wished to limit the number of predictors in the regression model to a lesser number than those obtained
1 describe the behavior of mallows cp statistic including the heuristic for choosing the best model2 explain the
1 describe the differences and similarities among the forward selection procedure the backward elimination procedure
1 explain some of the drawbacks of a set of predictors with high multicollinearity2 compare and contrast the effects
use the nutrition data set found on the book web site wwwdataminingconsultantcom1 apply the best subsets procedure and
build the best multiple regression model you can for the purposes of predicting the response using the gender ratio as
1 apply the best subsets procedure and compare against the previous methods2 perform all possible regressions did the
1 build the best multiple regression model you can for the purposes of predicting head injury severity using all the
1 determine which variables might be superfluous2 build two parallel models one where we account for multicollinearity
continuing with the crash data set combine the four injury measurement variables into a single variable defending your
see if you can improve on the regression model of ln mpg on ln hp and weight use a box-cox transformation to try to
see if you can improve on the regression model of ln mpg on ln hp and weight do you see some curvature in the residuals
see if you can improve on the regression model of ln mpg on ln hp and weight using the four criteria from chapter 5
the inner surface of a hollow cylinder internally pressurized to 100 mpa experiences tangential and axial stresses of
1 what is desktop management and why is it important2 what is performance and fault management3 what does a help desk