Using the Hat Matrix Elements H_i to Determine Influential Points

question 8

Multiple Choice

Using the hat matrix elements h_i to determine influential points in a multiple regression model with k independent variable and n observations,X_i is an influential point if

• A) h_i > n(k + 1)/2.
• B) h_i > 2(k + 1)/n.
• C) h_i < n(k + 1)/2.
• D) h_i < 2(k + 1)/n.

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Definitions:

Marginal Benefit

The additional satisfaction or utility a consumer receives from consuming one more unit of a good or service.

Flexibility

The ability of a system, process, or entity to adapt effectively to changes or variability in its environment or operation.

Network Design

The process of planning and structuring how devices, paths, and protocols interact in a network to efficiently manage data flow.

Supply Disruptions

Supply disruptions are unforeseen events or circumstances that interrupt the normal flow of goods and materials within a supply chain.