A researcher is carrying out a conjoint analysis to determine the degree to which consumers value weight, styling, price and the presence of a retractable power cord in a new vacuum cleaner. She asks consumers to rank their prelerences among descriptions of a large number of alternative vacuum cleaner products, and she uses multiple regression to analyze the results. In this mulliple regression analysis, which of the following should be the depondent variable? Consumer preference ranks Absence of retractable power cord Weight of vacuum cleaner Presonce of retractable power cord Vacuum cleaner price