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:
Private Health Insurance
Health insurance that is not offered by the government but by private entities, often offering more choice in healthcare providers.
Public Health Insurance
Insurance schemes funded or provided by the government to cover healthcare costs for its citizens.
Out-Of-Pocket
Expenses for services not reimbursed by insurance, paid directly by the consumer.
Health Insurance
Health insurance is a type of insurance coverage that pays for medical and surgical expenses incurred by the insured, often including benefits for preventive care and health-related services.
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