A Medical Researcher Is Interested in Assessing the Probability of Some

question 61

Multiple Choice

A medical researcher is interested in assessing the probability of some symptoms of coronary heart disease (CHD) being present at a given age.For this reason he uses the following data collected on 100 individuals. Thus,the variable under study is CHD that assumes a value of 1 if coronary heart disease is present,and a value of 0 otherwise.Using Excel and Minitab,the following linear and logistics regression equations have been estimated: Linear Regression: = - 0.53796 + 0.02181Age
Logistic Regression: Using the logistic equation,find the age of a person for which the estimated chances of having coronary heart disease are 50%?

• A) 47.8 years old
• B) 56.3 years old
• C) 45.5 years old
• D) 47.6 years old

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Definitions:

Personality Traits

Characteristics or qualities that form an individual's distinctive character, often used to predict behavior and attitudes.

Hardworking

Characterized by diligent effort and perseverance in completing tasks.

Dependable

Capable of being trusted or relied upon consistently.

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A scientist who studies the biological basis of behavior, often exploring how the brain and nervous system influence thoughts, feelings, and actions.