In evaluating the performance of new hires, the human resources division found that candidates with higher scores on its qualifying exam performed better. In a multiple regression that also used the education of the new hire as an explanatory variable, the slope for test score was near zero. Explain this paradox for the manager of the human resources division.
Answer to relevant QuestionsThe human resources department at a firm developed a multiple regression to predict the success of candidates for available positions. Drawing records of new hires from five years ago, analysts regressed current annual ...An airline developed a regression model to predict revenue from fights that connect “feeder” cities to its hub airport. The response in the model is the revenue generated by fights operating to the feeder cities (in ...These data describe the sales over time at a franchise outlet of a major US oil company. Each row summarizes sales for one day. This particular station sells gas, and it also has a convenience store and a car wash. The ...A firm that operates a large, direct-to-consumer sales force would like to build a system to monitor the progress of new agents. The goal is to identify “superstar agents” as rapidly as possible, offer them incentives, ...The best remedy for a regression model that has collinear predictors is to remove one of those that are correlated.
Post your question