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Which of the following situations, if either, illustrate(s) a proper simple random selection process?
(1) A sample is obtained by selecting 10 male and 10 female students from a student organization to represent the student population.
(2) A sample is obtained by assigning every athlete on campus a unique number and using a lottery to select 20 athletes to represent the student population.
Systematic Risk
The risk inherent to the entire market or market segment, which cannot be eliminated through diversification.
Beta
Beta is a measure of the volatility, or systematic risk, of a security or portfolio in comparison to the market as a whole, indicating its sensitivity to market movements.
Market Index
A hypothetical portfolio of investment holdings that represents a segment of the financial market, used as a benchmark to measure an investment's performance.
Standard Deviation
A statistical measurement of variation or dispersion around an average, indicating how much a set of numbers is spread out.
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