The problem facing a manager is to assess the impact of factors on​ full-time (FT) job growth.​ Specifically, the manager is interest in the impact of total worldwide revenues and​ full-time voluntary turnover on the number of​ full-time jobs added in a year. Data were collected from a sample of 20 ​"best companies to work​ for." The data includes the total number of​ full-time jobs added in the past​ year, total worldwide revenue​ (in $millions), and the​ full-time voluntary turnover​(%). Use the accompanying data to complete parts​ (a) through​ (d) below.