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:
Asset Turnover Ratio
A financial metric that measures the efficiency of a company in using its assets to generate sales or revenue; it is calculated by dividing net sales by average total assets.
Long-term Investments
Investments made with the intention to hold for more than one year, typically in bonds, stocks, or real estate, aiming for long-term capital growth.
Quick Ratio
A financial ratio that measures the ability to pay current liabilities with quick assets (cash, marketable securities, accounts receivable).
Account Payable
Financial obligations or debts owed by a business to its suppliers or creditors for goods and services received.
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