Examlex
If the amount of gasoline purchased per car at a large service station has a population mean of 15 gallons and a population standard deviation of 4 gallons and a random sample of 4 cars is selected,there is approximately a 68.26% chance that the sample mean will be between 13 and 17 gallons.
Beta
A measure of a security's volatility in relation to the overall market; a beta greater than 1 indicates greater volatility than the market.
Bogey Portfolio
A benchmark portfolio against which the performance of an investment portfolio is measured, often used to assess the skill of portfolio managers.
Excess Return
Excess Return is the return on an investment above the return of a benchmark index or risk-free rate of return.
Asset Classes
Broad categories of investments with similar characteristics and market behaviors, such as equities (stocks), fixed income (bonds), and real estate.
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