Twenty-one executives in a large corporation were randomly selected to study the effect of several factors on annual salary (expressed in $000s). The factors selected were age, seniority, years of college, number of company divisions they had been exposed to, and the level of their responsibility. The results of the regression analysis follow: 
Test the hypothesis that the regression coefficient for age is equal to 0 at the 0.05 significance level. Report the degrees of freedom, the critical value, the test-statistic, and your decision.
Definitions:
Trait Theories
The study of human personality focused on identifying and measuring the stable characteristics that distinguish one individual from another.
Reciprocal Determinism
A concept in psychology that suggests an individual's behavior is both influenced by and influences their personal factors and the environment in a cyclical manner.
Spotlight Effect
The perception that people are paying more attention to one's appearance and behavior than they really are.
Narcissism
A psychological condition characterized by self-centeredness, a lack of empathy for others, and a high need for admiration.
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