Which One of the Following Is a Statistical Model Defined

question 61

Multiple Choice

Which one of the following is a statistical model defined by its mean and standard deviation that is used to assess probabilities?

• A)variance
• B)normal distribution
• C)efficient frontier
• D)Value-at-Risk
• E)Jensen's alpha

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Definitions:

Entity

Something that exists independently with a distinctive identity, especially in the context of databases where it refers to an object about which data can be stored.

Cardinality

In database design, it refers to the uniqueness of data values contained in a column; in relationships, it describes the attributes of the relationship between tables.

Entity

An entity can refer to any individual, company, organization, or system that exists as a singular, identifiable unit.

Ternary Relationship

A type of association in database modeling where three entities participate together in a relationship.