If a sample has 20 observations and a 95% confidence estimate for 
is needed,the appropriate value of t-multiple is 2.093
Definitions:
Beta
A measure of a stock's volatility in relation to the overall market; a beta greater than 1 indicates higher than average market volatility.
Risk Premium
The additional return an investor requires for taking on a higher level of risk compared to a risk-free investment.
Risk-Free Rate
The theoretical return on an investment with no risk of financial loss, often represented by government bonds in finance.
Market Rate
The prevailing interest rate available in the marketplace for investments of a similar risk and maturity.
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