A regression model relating the yearly income (Y),age (X1),and the gender of the faculty member of a university (X2 = 1 if female and 0 if male)resulted in the following information. 
a.Is gender a significant variable?
b.Determine the multiple coefficient of determination.
Definitions:
Free Black Town
A self-governing community established by African Americans, where individuals lived free from the restrictions of slavery, notable examples include Seneca Village in New York.
Interracial Contact
Social interaction between members of different racial groups, which can play a role in reducing racial prejudices and promoting understanding.
African Cultural Traits
Characteristics, practices, or beliefs that are found across various African societies, reflecting the continent's diversity in languages, traditions, art, and social structures.
Maroon Villages
Settlements established by escaped slaves in the Americas, particularly in the Caribbean and South America, where they lived independently.
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