What Is the Approximate Standard Deviation of Returns If Over

question 15

Multiple Choice

What is the approximate standard deviation of returns if over the past 4 years an investment returned 8%, -12%, -12%, and 15%?

• A) 9.26%
• B) 10.26%
• C) 11.26%
• D)12.01%

Understand the concept and implications of the bystander effect.

Identify and explain basic features of group polarization and groupthink.

Recognize the primary features and structures within groups, including power and communication structures.

Explain the concept of group cohesiveness and its implications for group dynamics.

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Definitions:

Filter Theory

A theory in psychology proposing that information is screened or filtered before further processing for attention or action.

Physical/Acoustical Properties

relate to the characteristics of sound or sound waves, including frequency, amplitude, and velocity, which determine how sounds are produced, transmitted, and perceived.

Attention Hypothesis

is the theory suggesting that the focus and allocation of cognitive resources towards certain stimuli or tasks influence perception and information processing.

Automatization

the process through which tasks become automatic after extensive practice, requiring less cognitive effort.