Question Five The brake horsepower developed by an automobile engine on a dynamometer is thought to be a function of the engine speed in revolutions per minute (rpm), The road octane number of the fuel, and the engine compression. An experiment is run in the laboratory and the data are collected. Fit a multiple regression model to these data. Brake Horsepower rpm Road Octane Number Compression 225 2000 90 100 212 1800 94 95 229 2400 88 110 . 222 1900 91 96 219 1600 86 100 278 2500 96 110 246 3000 94 98 237 3200 90 100 233 2800 88 105 224 3400 86 97 223 1800 90 100 230 2500 89 104