State University recently randomly sampled ten students and analyzed grade point average (GPA) and number of hours worked off-campus per week. The following data were observed: 
The correlation between these two variables is approximately -.461
Definitions:
Zero-Coupon Bonds
Bonds that are sold at a discount and pay no regular interest payments but are redeemed at their face value at maturity.
Yield To Maturity
The total return expected on a bond if held until its maturity date, accounting for its current price, interest payments, and face value.
Maturity
The date on which a financial instrument (e.g., bond, loan) reaches its final installment, and the principal is due to be paid to investors.
Expectations Theory
A theory related to interest rates stating that the long-term interest rates are geometric averages of present and future short-term interest rates, reflecting market assumptions about future rates.
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