Dorothy Bracey Found That Due to a Poor Diet and Lack

question 21

Multiple Choice

Dorothy Bracey found that due to a poor diet and lack of exercise, a significant sample of American police possessed a body composition, blood chemistry, and general level of physical fitness greatly inferior to that of a similarly sized sample of _____________.

• A)college students
• B)prison convicts
• C)military personnel
• D)high school seniors

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Definitions:

Standard Deviation

A statistical measure of the dispersion of returns for a given security or market index, often used to gauge the amount of variability or volatility of an investment.

Expected Return

The weighted average of all possible returns from an investment, considering the probabilities of each outcome.

Efficient Frontier

A concept in modern portfolio theory representing the set of optimal portfolios that offer the highest expected return for a defined level of risk or the lowest risk for a given level of expected return.

Standard Deviation

A statistic that measures the dispersion of a dataset relative to its mean and is used as a measure of volatility.