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

Short Answer

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:

-What is the effect on salary of an increase in age of two years if other variables are held constant?____________