-The Variance of a Probability Distribution Can Be Described As

question 47

Multiple Choice

-The variance of a probability distribution can be described as:

• A)a measure of the riskiness of a probability distribution and is calculated by finding the square root of the probability-weighted squared deviations of the possible outcomes.
• B)a measure of the riskiness of a probability distribution and is calculated by finding the probability-weighted squared deviations of the possible outcomes times two.
• C)a measure of the amplitude of a probability distribution and is calculated by finding the square root of the probability-weighted squared deviations of the possible outcomes.
• D)a measure of the riskiness of a probability distribution and is calculated by finding the probability-weighted squared deviations of the possible outcomes.

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Definitions:

Encoding/Decoding Model

A theory on media that combines models that privilege the media producer and models that view the audience as the primary source of meaning; this theory recognizes that media texts are created to deliver specific messages and that individuals actively interpret them.

Interpretive Community

A group of people dedicated to the consumption and interpretation of a particular cultural product and who create a collective, social meaning for the product.

Stanley Fish

An American literary theorist and legal scholar known for his work on interpretive communities and the role of the reader in determining texts' meanings.

Agenda-Setting

The ability of the media to influence the importance placed on the topics of the public agenda by choosing what stories are given exposure and how much attention they receive.