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

question 12

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 t_n-k-2 denote the upper critical value of a two-tail t test with a 0.10 level of significance, X_i is an influential point if

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

---

Definitions:

Mass Production

The manufacture of large quantities of standardized products, often using assembly lines or automated technology.

Assembly Lines

A manufacturing process in which parts are added to a product in a sequential manner to create a finished product efficiently.

Large Factories

Extensive industrial facilities where goods are manufactured or assembled, typically employing many workers and utilizing heavy machinery.

Mediating Technology

Technology that acts as an intermediary in facilitating communication or interaction between parties, often improving or enabling processes that were previously more challenging or impossible.