Using the Studentised Residuals T_i to Determine Influential Points in a Multiple

question 53

Multiple Choice

Using the Studentised residuals t_i 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)|t_i | > t_n-k-2.
• B)|t_i | < t_n-k-1.
• C)|t_i | > t_n-k-1.
• D)|t_i | < t_n-k-2.

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Definitions:

Receptor

A protein molecule that receives and responds to a chemical signal, like a hormone or neurotransmitter, on a cell's surface or inside the cell.

Synapse

The junction between neurons where information is transmitted from one neuron to another.

Interneurons

Neurons that transmit signals between other neurons, especially as part of reflexes or neural networks.

CNS

Central Nervous System, which includes the brain and spinal cord.