A Medical Researcher Is Interested in Assessing the Probability of Some

question 57

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: For the linear equation,what is the range of values of Age for which can be regarded as the estimated probability of coronary heart disease?

• A) From 30.5 to 60.3
• B) From 24.7 to 70.5
• C) From 20.6 to 60.9
• D) From 28.2 to 79.2

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