The Plot Below Shows the Residuals Vs Fitted Values for the Model

question 13

Multiple Choice

The plot below shows the Residuals vs Fitted Values for the model of predictors Height, Weight, and Chest measurements (all in inches) and response percent body fat (Pct.BF)
Before observation 251 was removed.It was assumed that a typo was made and an extra zero
Was added to the Pct.BF value.Which of the following statements are true?

• A) After removing observation 251 , The value of \(R ^ { 2 }\) will increase.
• B) After removing observation 251 , he standard deviations of the residuals will decrease.
• C) Observation 251 is clearly a high leverage point.
• D) The coefficient of Chest will not change when this point is removed.
• E) Making conclusions without plotting the data can be disastrous.

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Definitions:

Nursing Diagnoses

A clinical judgment about individual, family, or community responses to actual or potential health problems/life processes.

Nursing Process

A systematic, problem-solving approach used in nursing practice, involving assessment, diagnosis, planning, implementation, and evaluation to provide effective patient care.

Subjective Data

Information gathered from patient statements; the patient's feelings and perceptions. Not verifiable by another except by inference.

Patient's Expression

The verbal and non-verbal ways by which a patient communicates feelings, thoughts, or discomfort, important for healthcare providers in assessing and understanding a patient's condition.