Twenty-One Executives in a Large Corporation Were Randomly Selected for a Study

Multiple Choice

Twenty-one executives in a large corporation were randomly selected for a study in which several factors were examined to determine their effect on annual salary (expressed in $000's) . The factors selected were age, seniority, years of college, number of company divisions they had been exposed to and the level of their responsibility. A regression analysis was performed using a popular spreadsheet program with the following regression output: Which of the following has the most influence on salary--20years of seniority, 5 years of college or attaining 55 years of age?

A) 20 years of seniority
B) 5 years of college
C) attaining 55 years of age
D) seniority, education and age all have equal influence on salary