Using the Hat Matrix Elements Hᵢ to Determine Influential Points

question 103

Multiple Choice

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

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

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Definitions:

Executive Team

A group of high-level managers or leaders within an organization responsible for making strategic decisions.

Stability

The state of being steady, consistent, and not prone to change, which is often sought after in various contexts for predictability and reliability.

Autonomy

The degree to which an individual has the freedom to make decisions and take actions independently.

Coordination

The act of organizing and aligning activities, tasks, and efforts among individuals or groups to achieve common goals efficiently.