Using the Studentized Residuals Ti to Determine Influential Points in a Multiple

question 36

Multiple Choice

Using the Studentized residuals ti to determine influential points in a multiple regression model with k independent variable and n observations and letting tn-k-2 denote the upper critical value of a two-tail t test with a 0.10 level of significance, Xi is an influential point if

• A)\(| t | < t _ { n - k - 1 }\)
• B)\(| t | > t _ { n - k - 1 }\)
• C)\(\left| t _ { i } \right| < t _ { n - k - 2 }\)
• D)\(\left| t _ { i } \right| > t _ { n - k - 2 }\)

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Definitions:

Transverse

Referring to a direction or plane that divides the body into upper and lower parts.

Anterior

Located towards the front of the body or an organ.

Posterior

Referring to the back or rear part of the body or structure.

Superior

Placed above or higher than another; often used to describe anatomical positioning.