Approximately what percentage of the observed Y values are within one standard error of the estimate ( 
) of the corresponding fitted Y values?
Definitions:
Risk-Free Rate
The theoretical rate of return of an investment with zero risk, often represented by the yield on government securities.
S&P Contract Multiplier
A factor used to determine the cash value of an S&P futures contract, which multiplies the value of the contract's underlying asset by a specific amount.
Fixed-Income Arbitrage
An investment strategy that seeks to exploit pricing differentials between related fixed income securities.
Quarterly Return
The investment profit or loss measured over a three-month period, often used to assess the performance of investments or portfolios.
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