A Medical Researcher Is Interested in Assessing the Probability of Some

question 26

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,what is the estimated probability of coronary heart disease for a 60-year-old individual?

• A) 0.4581
• B) 0.3219
• C) 0.7706
• D) 0.7946

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Definitions:

Obturator Foramen

The obturator foramen is a large opening in the pelvic bone through which nerves and blood vessels pass.

Bony Features

Characteristics or structures formed by bone, such as projections, depressions, and openings, that serve as sites for muscle attachment or passages for nerves and blood vessels.

Sella Turcica

A saddle-shaped depression in the sphenoid bone at the base of the human skull that houses the pituitary gland.

Sphenoid Bone

A butterfly-shaped bone at the base of the skull that is connected to all other skull bones.