An Investment Produced Annual Rates of Return of 4%, 8

question 127

Multiple Choice

An investment produced annual rates of return of 4%, 8%, 14% and 6%, respectively, over the past four years. What is the standard deviation of these returns?

• A) 3.7%
• B) 4.1%
• C) 4.3%
• D) 4.6%

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Definitions:

Epigenetic Theory

The theory that external factors and the environment can affect gene expression and that these changes can be heritable, without altering the DNA sequence itself.

Behavioral Theory

A theory that focuses on explaining and predicting how individuals behave, emphasizing the effects of the environment on behavior.

Cognitive Theory

A theoretical perspective focusing on the processes of thinking, perceiving, remembering, and learning, which influence behavior.

Electra Complex

A concept in psychoanalytic theory referring to a girl's psychosexual competition with her mother for possession of her father.